Michael Foale and Dirk Frimout are both what type of physicist?
Michael Foale Colin Michael Foale, CBE (born 6 January 1957) is a British-American astrophysicist and former NASA astronaut. He is a veteran of six Space Shuttle missions and extended missions on both Mir and the International Space Station. He was the first Briton to perform a space walk, and until 17 April 2008, he held the record for most time spent in space by a US citizen: 374 days, 11 hours, 19 minutes. He still holds the cumulative-time-in-space record for a UK citizen.
Michael K. Moe Michael K. Moe (born 17 November 1937 in Milwaukee) is an American experimental physicist, specializing in particle physics and nuclear physics. He is known his role in 1987 in the direct detection of two neutrino double beta decay in Se. (Indirect detection of two neutrino double beta decay had been done in the 1960s.)