|Birthplace:||Philadelphia / Pennsylvania|
|1||STS-29||MSP||13.03. - 18.03.1989||4d 23h 39m|
|2||STS-40||MSP||05.06. - 14.06.1991||9d 02h 14m|
|Total||14d 01h 53m|
Bachelor of science in mechanical engineering from Drexel University, 1973; doctorate in medicine from Thomas Jefferson University, 1977; Colonel, USAF Reserve, Ret.; unsuccessful application for NASA astronaut group 8; hobbies: bicycling, backpacking, climbing, swimming, flying, raquet sports, cabinet making and automobile rebuildung; he resigned from NASA in August 1995; then he worked with Environmental Protection Agency's National Vehicle and Field Emissions Lab in Ann Arbor.
Last update on July 03, 2009.