John Llewellyn, NASA scientist-astronaut who never flew, dies at 80July 15, 2013 — John Llewellyn, a chemist who in 1967 was selected to be a NASA astronaut but whose inability to pilot a jet led to him resigning from the space program a year later, died July 2. He was 80. (...)
Unlike prior astronaut candidates, who were either chosen because they were already experienced test pilots or who were scientists who had some pilot training, the "Excess Eleven" all needed to undergo an Air Force jet pilot course before they could qualify for a NASA mission assignment. Four months into his training, Llewellyn recognized that he wasn't cut out to be a pilot. (...)
http://www.collectspace.com/news/news-071513a.htmlThe Welshman who aimed for space but was sunk at sea29 May 2023 By Llio Rhys & James McCarthy, BBC Cymru Fyw
(...) Anchored a mile from Grand Bahama, this was the hydrolab - NOAA's first undersea research habitat.
Inside it the scientists had everything they needed to live there for up to a fortnight. There was space for four, but only three beds, so they slept in shifts.
At the end of each stint he spent 16 hours in a decompression chamber so he didn't get the bends - caused by bubbles forming in the blood.
He was in his element and when he wasn't dodging tiger sharks, he conducted experiments. (...)
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