Has Piers Sellers or Hans Schlegel been on more Space Shuttle Missions?
Piers Sellers Piers John Sellers OBE (11 April 1955 – 23 December 2016) was a British-American meteorologist, NASA astronaut and Director of the Earth Science Division at NASA/GSFC. He was a veteran of three space shuttle missions.
Rex Sellers Rex Samuel Sellers {'1': ", '2': ", '3': ", '4': "} (born 11 November 1950) is a yachtman from New Zealand. He won a gold medal in the 1984 Summer Olympics in Los Angeles, and a silver medal in the 1988 Summer Olympics in Seoul, both in the Tornado class with Chris Timms. He also competed in the Tornado class with Brian Jones at the 1992 and 1996 Olympics, where they finished fourth and 15th respectively. Sellers and Gerald Sly were selected to sail in the Tornado class for New Zealand at the 1980 Olympic Games in Moscow, but did not compete because of the US-led boycott.