SEALAB Author Ben H.
Contributor
Just wanted to make sure Bob Barth made this list - still the only living diver to have taken part in all the laboratory simulations leading up to the U.S. Navy's SEALAB program and to have been an "aquanaut" for SEALAB I, II and III. Barth is sort of like diving's Mercury Seven all rolled into one but would never toot his own horn in this way, so thought I should. This picture from my book shows Barth getting ready to spend more than a week in a mixed-gas lab chamber under pressure equivalent to a 200-foot dive:
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