January 1998

Bart Bjorkman manufactures and markets gas blending systems for nitrox, as well as instructing recreational and commercial divers in nitrox and gas blending. A commercial diver, he is full cave trained and has visited cave systems in Florida and the Yucatan. He has published articles on such diverse subjects as the use of antidiuretic hormone …

Matt Turchi and Darryl Ertel have been diving the Great Lakes since 1987, concentrating their efforts in Lake Superior. They have both Technical and Cave Diving training and are trained to operate their hyperbaric chamber. Matt enjoys making scale models of the wrecks they dive and Darryl is the Great Lakes Region dealer for the …

Mike Fletcher is a professional diver from Port Dover, Ontario. Operating from his fully-outfitted 60′ dive support vessel, Kenteau, he has done extensive research on many shipwrecks in Lake Erie. Now in his 20th season of commercial diving, he is currently doing work for Aquatic Sciences, based in St. Catharines, Ontario. A speaker at our first Shipwrecks …

Joyce Hayward is the Vice President of the Association for Great Lakes Maritime History, where she serves as the Chair of the Divers Coordination Committee. She is Vice President of the Ohio Council of Skin and Scuba Divers and chairs both the Legislative Action and the Archaeological Advisory Committees. She was appointed by the Governor …

Dan Lindsay has been diving for 25 years, with six years spent in the commercial diving industry. He worked as Diver-EMT with Canadian-based companies in the Beaufort Sea, Davis Strait and the Great Lakes. Dan is now an Electronics-Electrician by trade, but his greater love is in deep water wreck exploration, video photography and film …

David Trotter is a renowned shipwreck discoverer, deep diver, author, lecturer and photographer. In over 20 years of diving, he has been the first to locate, identify and document over 60 Great Lakes shipwrecks. His shipwreck discoveries and programs have been featured on television and in newspapers throughout the U.S. and Canada. He has written …

Terrence Neal Tysall is President/Founder of The Cambrian Foundation, a federally recognized not-for-profit corporation based in Florida. The mission of the foundation is research, education, exploration and preservation of the aquatic realm. He has organized and led expeditions to various sites the world over. Terrence holds Instructor Trainer/Evaluator ratings with IANTD, NACD, NAUI, NSS-CDS, SSI …