John R. Clarke, Ph.D. (born November 20, 1945) is an American scientist, private pilot and author. He served as Scientific Director at the United States Navy Experimental Diving Unit (NEDU). Clarke is recognized as a leading authority on rebreather engineering. He has an extensive academic career in biological and physiological sciences.
No doubt that his actions inspire others to dream, learn more and become more… Andy Fritz started modifying Russian military rebreathers back in 1997 initially for personal use, but soon enough divers would travel to Thailand to get their rebreathers modernized and themselves trained to use them. Other popular rebreathers had their share of modification […]