www.DutchSubmarines.com CONTRIBUTORS

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Aleksey, V & Strelbitsky, K	Members of the Moscow Shiplovers Club. They provided data on the Ivs Submarine for Russia.
Aromaa, Jari	Jari provided lots of information about IvS, the Dutch/German dummy corporation. Jari also has his own great website which includes some pages dedicated to the IvS.
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B&J Diving Centre	Ben provided this site with several photos of the wreck of the K XVII.
Van-Baaren, Mike	Mike his father, H.A. Van-Baaren, served on board the K XV, Dolfijn (2) and the Walrus (1). Mike provided several images of his fathers collection.
Baas, Hans	Hans provided several photos of the re-commissioning of Dolfijn (3).
Bal, Leo	Dutch submariner that provided loads of info and images. Including images for the Zeehond (3) photos pages and the material for the Zeehond (3) torpedo pick-up picture special. Leo was torpedo man on board Zeehond (3) and Zeeleeuw (1).
Peter Bastin	Peter provided many images of the K XIII and several other submarines. These photos were made/collected by his grandfather Piet Bastin, who was on board various Dutch submarines before and during WWII.
Bemmelen, H.M. van	H.M. is the son of submarine H.M. van Bemmelen. He provided lots of info about his father's submarine career.
Biesemaat, Ton	Son of submariner Jan Biesemaat. Ton allowed me to use his Dutch article "Duel bij maanlicht". The translated article can be found in the specials section and is called "Battle by moonlight"
Blokker, Martin	Martin provided several unidentified images of Dutch subs and crew somewhere in the colonies.
Bonset, Fin B.	Fin has done an excellent job reviewing several Dutch Submarine related books.
Borg, Stephen J.	Stephen lives on Malta and reguarly provides photos and info on Dutch Submarine Service units visiting the island. For instance on Dolfijn (4).
Bowfin, USS Bowfin Submarine  Museum & Park	The webmaster of the USS Bowfin website provided information on the fate of  Hokai Maru and provided recognition model images on this vessel and the and Katori Maru.
Burgerhout, Robert	Robert has a really good eye for detail and can combine many pieces of information. With these skills he identified many unknown submarines on various photos.
Burgers, Theo	Theo is an ex-sailor of the Dutch Navy. He provided the image of the tender Cornelius Drebbel (2).and technical data on the A 883.
Broers, Paul	Paul is grand son of T.J. Broers, who perished on board the K XVI. He provided images and info on T,J. Broers and L.J. Jarman.
Brouwers, Peter	Crewmember of the O 27, Tijgerhaai (1) and Zwaardvis (1). Peter provided lots of great photos of the subs he sailed on, including the photo's for the Tijgerhaai (1) photo special and the Zwaardvis (1) photo special. P. Brouwers was leading seaman boatswain and geruispeiler (passive sonar) operator 1st class.
Bussemaker , A.P. (Ton)	Member of the team that rediscovered and identified the O 16. Son of the famous Ltz. I  A.J. Bussemaker, who commanded the submarines K VIII, K XI, K XIII, O 16, O 20. A.P. Bussemaker provided several unique photos and wrote the special Location the Hr.Ms. Submarine O 16.
B&J Diving	Ben, of B&J, provided numerous underwater photos of the K XVII wreck.
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Carlsson, Hans	Hans provided information and many unique photos of the Swedish submarines designed by the Dutch IVS company.
Cool, Willem	Webmaster of "Koninklijke Marine 1945 - heden". Unfortunately this site disappeared from the WWW. Willem provided many images of Abraham Crijnssen and of the Vlootdagen 2003.
Clisby, Peter	Peter provided many photos from his Dutch submarine photo collection.
Clugston, Dennis	Dennis made many beautiful images of the Fremantle memorial.
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Dierendonck, P. van  &  Klaassen, A	Albert provided several great images from the collection of Sgt. P. van Dierendonck who was crew member of the K XIV for 8 years. You will find these images here and here.
Dillerop, Gerard	Gerard is a former crew member of the Zeehond (3) and he provided many images of this submarine.
O'Donoghue, Des	Des provided images and information on Dolfin (4)'s visit to Cork.
O'Donohue, Peter	Peter provide information and images on several Dutch Submarine memorials in Australia.
Jan-Maarten Doorman	Provided missing pieces information for the biographies of many submarine commanders.
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Eijkelenburg, Jos van	Provide several images of Zwaardvis (2) and Tijgerhaai (2). Including the beautiful image of the two subs side by side.
Eade, John	Webmaster of the Royal Navy Submarines and the Australia's Submarine Heritage (under construction) website. Committee Member of the National Submarine History Taskforce. He Provided information about the Turkish submarines designed by the 'Dutch' Ingenieurskantoor voor Scheepsbouw, was a great help in gathering information about the Royal Navy Submarine Flotillas, and provided the pictures for the K IX Club special.
Eerland, Bert	Bert provided many images on the various Mercuur submarine tenders.
Evan	Evan provide beautiful underwater photos of the K XVII wreck.
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Fakan, John	Webmaster of the USS Cod homepage. He provided information, and a great colour photograph, about the Ladd Reef incident.
Fogarty, Saxon & Lock, Kevin	Kevin provided several K XI images from his collection. The photos were taken by Saxon Fogarty.
Freen, A & Visser, René	René provided dozens of unique images (O 24 1940's, K boats in the 1930's) from the collection of his grandpa A. Freen, who was submariner from late 1930's to the late 1940's. Rene's email address is r.visser10@chello.nl
Frenken, Michel	As a submariner (Matr ODOPS) Michel was on board Dolfijn (4) and Zeeleeuw (2). He provided dozens of image for the Dolfijn (4) photos of the 1995 trials in the Skagerrak picture special.
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Gadowski, Wojciech	He provided pictures, made corrections, and provided lots of additional information about the Dutch-built Polish submarines of the Orzel class.
Groenendal, Ruud	Former crew member of Dolfijn (3), Walrus (1), Zeeleeuw (1) and Potvis. He provided many images of these subs, including some great ones for the Walrus (1) class photo special.
Groeneweg, Leo	Leo is an ex-crew member of Zeehond (3) and provided many photos of various submarines.
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Haak, Josephus van den	Wrote the very interesting article The towing of K-IX by Hr.Ms. Abraham Crijnssen.
Cees van Hattum	Cees provided several images of the Tijgerhaai (2) in the 1970's.
Hakker, Henny	Henny is son of submariner Corporal Signalman Hendrik Hakker. Henny provided several images of the O 27 and the Tijgerhaai (1).
Björn, Hamels	Björn provided several detailed images of the Zeeleeuw (2) during Sail Amsterdam 2005.
Heere, Al	Al provided a very several images of Dutch submarines.
Hendig, Jan-Olof	Jan-Olof provided information on the  O 7 collision and several other early Dutch subs.
Henson, James	Crewmember of the USS Avalon (DSRV-2). He provided several beautiful images of the Sorbet Royal 96 exercise.
Herwaarden, Edwin van	Edwin sailed on several Walrus class submarines. He provided many pieces of information regarding this class.
Hollebrandse, Robert	Robert provided the text/photos for the towing of K-IX by Hr.Ms. Abraham Crijnssen and the K IX plaque launch article.
Houterman, J.N.	Author of the book De Groep van Beest. Provided detailed information on submarine commander K.G. Bron.
Hoekman, Arjen	Provided lots of important data and supported me with his enthusiasm.
Hopman, Aart	Aart provided a very nice photos of K XIV class boats and indentified pbject in WWII related photos.
Horneman, Gerard D.	Naval historian who provided dozens of great pictures and tons of information about the Dutch Submarine Service.
Huijgen, Fred	Fred built various models of Dutch submarines. His work is featured in the models section of this website.
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IAHD	Members of the IAHD diving organisation relocated the O 20 and provided great underwater shots of the wreck.
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Janssen, Peter	Webmaster of De Alternatieve Marinesite   and former crew member of the submarines Tonijn, Zeeleeuw (1), Walrus (1) and Dolfijn (3). He provided many details for many pages.
Jaspers, Joop	Webmaster of the Potvis website . He provided the beautiful photograph of Tonijn, Dolfijn (3) and Potvis in Faslane. He also provided dozens of other images and numerous pieces of information on the Dutch submarines.
Jeffrey, Andrew	Provided information about the Dutch submarines based in Scotland during World War II.
Jones, Mark	Amateur naval historian interested in the smaller allied navies-in-exile. He reported many typo's and conflicting data and was also a great help in gathering information about the Royal Navy Submarine Flotillas. He also wrote several interesting book reviews.
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Kal, Johan (Gijs) van	Johan provided many beautiful images of Zeeleeuw (1). Johan, aka Gijs, was stationed on board Zeeleeuw (1) in 1968 and 1969.
Kamsteeg, Bert	Bert is a ex-submariner and he provided images and information on the Tonijn.
Keijzer, Adrie (Arie) de	Sailed with the O 24, Walrus (1) and the Tijgerhaai (1). He provided several beautiful images of Tijgerhaai (1) and dozens of photos on Walrus (1).
Keys, George A.	Wrote his eyewitness account about K XV's "torpedo loading accident" at New London submarine base.
Kindell, Don	Don is an amateur naval historian. His main interest is RN personnel and operational information. He provided information on the Dutch subs that were attached to the RN flotillas.
P. van Dierendonck &  A. Klaassen	Albert provided several great images from the collection of Sgt. P. van Dierendonck who was crew member of the K XIV for 8 years. You will find these images here and here.
De Kloe, Jan Johannes  IV	He provided information and great photographs about the Turkish submarines, and the K XIII that were built at the Dutch Fijenoord shipyard. He got this information from his grandfather who was employed at the Fijenoord shipyard until 1949. He also provided very interesting information regarding the submarines O 19, O 20, O 24 and pieces of information for numerous other pages.
Klootwijk, Jan	Jan provided numerous Dutch submarine/tender photos and lots of unique information on several submarine tenders.
Koning, Hendrik B.	Henk made unique colour images of O 24 during WWII and gave us permission to display them on the site.
C.M. Koomen	Cees provided many interesting details and photos on the voyage of the 'Pelikaan division' to the Dutch East Indies.
Kragten, J.J.	Johan provided many very interesting photos which can be found on many pages of this site. He also dug up lots of interesting and unique info for the Loading mines on board O 19 page.
Kruys, G.A.	G.A. is the son of submarine commander W.J. Kruys. He provided several photos of the launching and decommissioning of Zeehond (3).
Kuliñski, Slawomir	The artist who created the beautiful rendered image of Orzel.
Kuyper, Nick	Ex-crew member of O 27, Tijgerhaai (1) and Zeeleeuw (1). He provided numerous images of these subs.
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Lampe, Linda	Provided images of Walrus (2)'s visit to St. Croix.
Lancaster, Jeffrey	Aviation historian & writer. He provided many pieces of information, including some really great info about the Moray class submarines.
Leenderts, Roy	Roy shot many photos during the O 20 expedition and gave his permission to publish some of these unique photos on this website.
Leotta, Walter	Walter provided valuable information on Italian ships attacked by the Dutch Submarines in WWII
Linting, André	Matr.1 LDV KV (Able rating, cook) Former crewmember of the Dolfijn (4) who provided many great photos of Dolfijn (4).
Linde, Jan van de	Dutch ex-submariner who wrote an interesting article about his career as a submariner. He is awarded with the "Ridderschap in de Orde van Oranje Nassau" and the "Ridderschap in de Orde van de Nederlandse Leeuw"
Lock, Kevin & Fogarty, Saxon	Kevin provided several K XI images from his collection. The photos were taken by Saxon Fogarty.
Lootsma, Piet	Sybren Anne Kokee provided several unique 1925 pictures from Ambon taken by her grandfather Piet Lootsma.
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Maas, J.R.	J.R. reported some important data for the Lost Personnel page
Manen, Hero van	Hero is an ex crew member of Zwaardvis (2) and he provided many images and pieces of information on this sub.
Ivan Martens	Ivan provided information on the Catalina  aircrew picked up by K XII on 25 Dec 1941.
Martínez Mezo, Gorka L.	Amateur historian who wrote the article about the export of Dolfijn class submarines to Spain. He also assisted in finding info about the Moray class submarines and reports frequently news facts regarding the Dutch submarines. This contributors page was also his idea.
McArthur, David	David provided the impressive panorama view of the subs at Faslane that celebrated the Clyde Submarine Base anniversary in June 2001.
McCue, Gary W.	Webmaster of John Philip Holland (1841-1914) And His Submarines. He provided many details for the O 1 page and is also the 'artist' of the O 1 line drawing.
James McGrath	The Grandfather of James his wife kept a diary while he was a POW in Hong Kong. where he met one of the officers of the O 20, Sub Lt Huidekoper. He wrote a detailed account of her last action (in English) for her grandfather, who incorporated the report into a diary which he kept throughout the war. James provided this great article to this website.
McLaughlin, Brett	Wrote the special: 'Cornelius Drebbel and the first submarine'.
McLeod, Ian	Ian provided details on the career of H.C.J. Coumou.
McMcarthy, Mike	Curator of the Maritime Archaeology department of the Western Australian Maritime Museum. He provide information about the fates of the submarines K XI, K XII and K VIII.
Menheere, Ton	Ton is an ex-crewmember of Zeehond (3) and he provided many images of the Zeehond (3) and the Tonijn, including the great torpedo transfer at sea series.
Merrienboer, J. van	Co-author of the book Van Buitengaats naar Binnenhof. Johan provided information and photos on submarine commander P.J.S. de Jong naval and political career.
Meurer, Wim	Wim made several beautiful photos of the OZD memorial in Den Helder. He gave his kind permission to include his photos on this site. Wim his grandfather was bootsman on the K XVII.
Mittelstaedt, Gerard	Tracked down various WWII Newsweek articles about the Dutch Submarines in the Pacific. A picture of one of the Newsweek covers can be found on the K XVII page.
Moderate, John S	Diver who explored the wreck of the K XVII. He provided all the great underwater images of the K XVII wreck.
Morcombe, John	John is a journalist who wrote two stories on the K XII for The Manly Daily newspaper in 1998. He gave permission to use his articles for this site and provided lots of information on the fate of K XII. John also provided photos of the revealed wreck of K IX.
Muir, Dan	Amateur naval historian specialized in the WWII Japanese Navy. He provided lots info and great images of various submarines and tenders.
Muller, Erik H.	Family of submariner W.C. Muller. He provided the pictures: Zeeleeuw (1) crew in Den Helder and Cook (in training) W.C. Muller.
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Nassi, Claudio	Claudio provided information and photos of the Fianona.
Ness, Leland	Lee provided several Dutch Submarine images from the USN archives.
Noma, Hisashi	Hisashi Noma is an authority on the subject of Japanese Merchant vessels. He is also author of the following books: Great Passenger Liners in History (1991), These Beautiful Ships(1981), Passenger Liners: Past & Present (1974), Japanese Merchant Ships at War (late 2001). He also collects pre-WWII brochures and pictures of Japanese passenger liners. Hisashi Noma provided information and images on many Japanese vessels that where attacked by the Dutch submarines in WWII.
Noot, Maarten	Maarten his father in law was a Dutch submariner who served aboard K XIV. Maarten provided many images from his collection.
Norderberg, Per	Per provided valuable details on the subs IVS designed for Sweden.
Nijhoff, George	Ex-submariner (Zeeleeuw (2) and Walrus (2)) who provided several pieces of information and also the very nice image of the Sonar Operator certificate.
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Onderwater, Ben	Ben is a former crew member of the Dolfijn (4) and he provided several great images for the persicope shots page and numurous images for the Sea Dragon class pages..
Ophuizen, Mari van	Mari (aka Bulleke), ex crew member of the Tijgerhaai (2),provided the image of the Rescue demonstration at the Maas river This image was a present to him from Wim Jansen, ex crew member of the Tijgerhaai (1). He also provided many other submarine images.
O'Shaughnessy, Frank	Franks is a WWII veteran and wrote the very interesting article The Airplane and the Sub.
Otterloo, Jo van	Jo provided several very nice images of Zwaardvis (1) and Tijgerhaai (1) in the 1950's.
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Pennock, Gerard	Ex-submariner who provided the image of Potvis 'dressed up' and the great photo series of Zwaardvis (2) surfacing.
Perkins, Dave	Chief Petty Officer 2nd Class Weapons Underwater Technician, joined the RCN in 1954 and served in British and Canadian submarines. Wrote many historical articles and is the author of the books 'Canada's Submariners 1914-1923', 'Submarine Sailor' and 'Canada's Wartime Submariners'. He supported this website by providing info and great photographs about the 'A/S training boat' duties of  the O 15 for the RCN in Halifax. He also assisted in gathering information about the torpedoes used by the Dutch Submarine Service.
Peters, Norman	Related to the original salvers of K IX. He provided several images for the K IX photo special.
Peter Podlewski	Peter provided lots of info for the list with info regarding Torpedo & Mine Explosives.
Postma, Harrie	Harrie is grandson of Oebele Postma, who perished in the O 11 tragedy.
Potter, Hans	Hans provided several O 21 images.
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Rice, Bill	Bill provided info on K XVIII's visit to Simons town
Rievers, Mathieu	Provided several rare images of the Zwaardvis (1) class boats and of Prof. Dr. F.A. Vening Meinesz.
Roeland, Jozef	Jozef provided several interesting photos of Tijgerhaai (1).
Ruberti, Fabio	Fabio provided information and images on the Capacitas (sunk by O 23) and  the Fianona (sunk by O 24). He is a semi-professional diver and dived as member of the Italian diving team named "Wreck Project Research" on these two wrecks.
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Sabel, Rob	Rob provided several images (shoy by himself) of the Walrus (2) class submarines.
Sanderse, Frans	Frans has a great collection of ships photos. He provided several nice photos of Bruinvis.
Sannes, Harald	Former crewmember of Potvis and Zeehond (3). He provided several images for the Potvis picture page and the O 24 1940's page.
Saxe, Ronny	Ronny provided several photos of the construction of O 19 and O 20. Ronny is currently writing a book on the general submarine history.
Schulte, Ed	Former crew member of  Zwaardvis (2) and Tijgerhaai (2). Ed provided lots of images of the subs. Including many images for the periscope shots page.
Shaikh, Amjad	Shaikh lives in Finland and mode a great photo series on the Dutch expoert submarine Vesikko.
Karl L. Swartz	Karl gave permission to direct link to his Great Circle Mapper website in order to show Long-Lat locations on a world map. Example: 01°34'N-121°00'E. This option requires your browser to support java script.
Sevenich, Jack	Former crewmember of the O 24 and Zwaardvis (1). He provided the photo's for the Zwaardvis (1) photo special and the O 21 decommissioning photos
Sijmons, Wim	Son of submariner Henk Sijmons who served on board several subs, including the K XIV. Wim provided some information and several images. Including a very nice one of the O 13 crew.
Sinke, Piet	Collector of ships data and images He provided several nice images of the In-Uni class.
Slaats, Laurens	Laurens provided images from his time on board Zwaardvis and Tonijn.
Smith, Tim	Australian maritime archaeologist. He provided lots of information and dozens of photo's related to the K IX and the K XII.
Spirit, Martin	This artist created the great banner on the flash page. Go to the World War II Banner Billet page to see more of his banner designs.
Speckens, R.J.M. and Bert	Bert provided several images from his fathers collection. He also provided information for the page on R.J.M. Speckens.
Spruijt, Siem (Blue)	Crewmember of the O 19 who wrote the specials: 'Third patrol of Royal Netherlands Submarine O 19 from Fremantle' and 'Fatal patrol of Her Majesty Dutch mine-laying submarine O 19'.
Strelbitsky, K & Aleksey, V	Members of the Moscow Shiplovers Club. They provided data on the Ivs Submarine for Russia.
Steketee, Menno	Menno is a Publicist and Defence-consultant. He provided several pieces of general information and also the photos for the Dolfijn (4) 1995 photo page. His E-mail address is mstekete@nrc.nl
Straten, Ed	This Dutch scale modeller provided all the impressive images for the Tonijn photo specials
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Tall, Eric & Donald	Donald provided the pictures of K II, K VII, K VIII and K IX made in manila in 1926 by his father Eric. Eric G. Tall,  was a Electrician's Mate Second Class EM2(SS) on the S-30.  He served between 1924 and 1927. Donald E. Tall is a Electronics Technician First Class ET1(SS). He served between 1958 and 1967 on the USS Carbonero SS-337, USS Tullibee SSN-597 and the USS Flasher SSN-613 (part of comm. crew). He served as a Reactor Operator on both nuclear boats.
Taminiau, Frans & A.J.	Frans his son provided the photos of K XI's deck gun. Frans himself provided valuable information on the Dutch subs operating from Australia in WWII.
Teesselink, Ronald	Ronald was aboard the submarines Zeeleeuw (1) and Dolfijn (3) in the early 1960's. He provided several very nice photos of 'his' submarines.
Tek, Peter den	Former crewmember of the Zwaardvis (2). He provided exercise data and dozens of great pictures for the many pages. Including the Zwaardvis (2) picture specials. He also wrote the special Accident of the Commander Submarine Service. Peter's email address is tek00000@wxs.nl
Tennant, Charlie	Charlie is the author of the very interesting Clyde Submarine Celebrations article. He did not only write the text but also made many beautiful and interesting photos of the visiting subs.
Teunissen, Nico (Teun)	Ex-crewmember of Zwaardvis (2) and Potvis. He provided the text/photos for several photo specials and reported numerous other pieces of information.
Tigchelaar, Derek	Son of submariner Gerrit Tigchelaar. Derek provided the WWII memoirs of his father and several great photos (that can be found on the same page).
Tilro, Arjen	Arjen provided several images of the O and K boats in the 1940's from the collection of his grandfather Marinus Tilro. Marinus was a submariner in the Dutch Navy and perished on board the O 20.
Toon, Frank	U.S. Submariner who put me in contact with Siem Spruijt. He also provided the very nice 2nd picture of the surfacing of O 19
Taminiau, Frans Johan	Family of C.A.J and C.A.F van Well Groeneveld. C.A.J commanded O 6, K X, K XII, K XIV, K XVI, K XVIII, and C.A.F commanded Zwaardvis (1), Zeeleeuw (1). He is also webmaster of 'Corvettes of the Royal Australian Navy'. Since Frans lives in Australia he was able to provide me with some very interesting pieces of information about the fate of K VIII, which was based at Fremantle during the war. He also took the photographs of  the Fremantle Dutch Submarine Memorial. These photographs will be added to this site at a later date. He and his son (Anton) also provided the pictures of the deck gun of K XI.
Timmerman, Auke	Former Telegraphist (WL operator) on board Zeehond (3), Zeeleeuw (1) and Dolfijn (3). He provided many pieces of information on the history of these subs. Auke also provided the image: 'General Submarine Knowledge' certificate and several images for the picture specials.
Tijn, Leonardo van	Provides information, about the Dutch submarines, that is published in the Helderse Courant, a Dutch newspaper in Den Helder, the home base of the Royal Dutch Navy. He retired from the Navy in 1976. Although he never became a submariner he has the first grade (flipper) for the Dutch Submarines. Of course Leo is still proud of it.
Toering, Eelke	Eelke provided several great images of Mercuur (4).
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Varvounis, Miltiades	Greek amateur naval historian who researched the alleged ramming of O 13 by the ORP Wilk. He is also co-author of the 'The Wilk Case'  special. Any one with comment on his Wilk article can email him at pniewska@compulink.gr
Veen, H.M. van der Veen, K.W van der Veen, P. van der	Commander of the submarines O 27, O 23, Tijgerhaai (1) and Dolfijn (2). He made numerous corrections and provided information about the subs that were under his command. After H.M. van der Veen past away his sons Philip and Klaas also provided additional information and photographs.
Rein Veenstra	Rein provided many small, but important, details on various submarines and support vessels.
Verheijden, Alfons	Alfons his uncle J.H. van Bastelaar was lost on board the O 20. Alfons provided valuable info on the fate of the O 20.
Vermeulen, D.A.C.	Dick his grandfather was crew member of the O 6. Dick provided the great image of the O 6 crew.
Viglietti, Brian M.	Brian is a former Commander of the Italian Navy. He provided many additions and corrections on the attacks on the Italian units.
Visser, Jan	Amateur Naval Historian and webmaster of the Royal Netherlands Navy Warships of WW II website. He provided numerous images and lots of good information regarding the Dutch submarines in WWII. Jan also is a great help identifying unknown surface vessels.
Voigt, Willem	Donated many photos to this site. Including several images for the 'Official' crew photos picture special
Visser, G.J. Sr.	George is volunteer at the Instituut voor Maritieme Historie. He looked up many pieces of information in the IMH files.
Visser, René & Freen, A	René provided dozens of unique images (O 24 1940's, K boats in the 1930's) from the collection of his grandpa A. Freen, who was submariner from late 1930's to the late 1940's. Rene's email address is r.visser10@chello.nl
Verbaan, Willem	Willem provided some interesting details on the O 9 exploits in 1940.
Vliet, M. van	Willem contributed several detailed and interesting images of Tijgerhaai (1)
Vrieswijk, Folkert	Folkert provided many nice images, mainly of the WWII period..
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Wal, Berend van der	Berend provided photos of many Japanese vessels that were attacked by the Dutch submarines in WWII.
Waldekker, Frits	Matroos Frits Waldekker is a former crew member (Matroos zeemilicien from 1976-1977) of Zeehond (3). He provided dozens of photos of the Zeehond (3). And information concerning Esq. Z.J.J. van Asch van Wijck.
Warlich, Ron	Former Mtr1 ODOPS of Tijgerhaai (2) (1985-1990). He provided the great image of the surfacing Tijgerhaai (2)
Whitelaw, Paul	Paul provided great images of the Bruinvis visiting New Castle.
Wijk, Erny van	Erny provided several nice images of Dutch subs in the 1930's and 1940's
Winter, Harrie de	Dutch Submariner who provided many pieces of information and images for the Short biographies of all Dutch submarine commanders
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Zijffers, Michel	Michel provided general submarine information and many interesting details on the Walrus (2) class
Zuidema, Daniel	As representative of the IAHD foundation Daniel provided several great images of the O 20 dive.
Zwama, Roel	Webmaster of the Shiplovers Homepage and collector of Dutch merchant ships photographs. He provided photo's and information for the following pages: Janssens, Colombia, Amstelstroom, Hasewint, Mecklenburg and Mulan.

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