Donald Pettit
Donald Roy Pettit (born April 20, 1955) is an American astronaut and chemical engineer best known for his orbital astrophotography and in-space inventions such as the Space Cup, which received the first ever patent for an object invented in space. He is a veteran of three long-duration missions aboard the International Space Station, one Space Shuttle mission, and a six-week expedition to find meteorites in Antarctica.