Anthony Llewellyn, Welsh-American chemist, academic, and astronaut (b. 1933)
John Anthony Llewellyn (22 April 1933 – 2 July 2013), was a Welsh-born American scientist and a former NASA astronaut candidate.
Anthony Llewellyn, Welsh-American chemist, academic, and astronaut (b. 1933)
John Anthony Llewellyn (22 April 1933 – 2 July 2013), was a Welsh-born American scientist and a former NASA astronaut candidate.