Heike Walpot

Heike John (now Heike Walpot; born 19 June 1960) is a German retired swimmer and former astronaut candidate.

She won a bronze medal at the 1977 European Aquatics Championships. She missed the 1980 Summer Olympics because of their boycott by West Germany.

After her swimming career, she studied medicine at RWTH Aachen and earned a doctorate in 1987. In the same year she was selected as one of five West German astronaut candidates for the Spacelab D-2 mission, along with Hans Schlegel, Ulrich Walter, Gerhard Thiele and Renate Brümmer. She served as Cap com during the D-2 mission in 1993, but was never assigned to a spaceflight herself. After retiring as an astronaut, she became a professional pilot for Lufthansa in 1996 and retired as a Senior First Officer in the Boeing 747 fleet in the mid 2010s. She is married to astronaut Hans Schlegel.