The Jason Parker Trilogy

This part is focus on the intriguing side of being able to write a series, on scuba, on aliens and more…

John Clarke

John Clarke: Author, Scientist,…

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.

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