David C. Hilmers, American colonel, physician, and astronaut

David Carl Hilmers is a former NASA astronaut who flew four Space Shuttle missions. He was born in Clinton, Iowa, but considers DeWitt, Iowa, to be his hometown. He has two grown sons. His recreational interests include playing the piano, gardening, electronics, spending time with his family, and all types of sports. His parents are deceased. With five academic degrees, he is the second most formally educated U.S. astronaut, behind Story Musgrave with six.