Daniel M. Tani Status: Retired 2/1/1961 – Nationality: American Type: Government Agency: National Aeronautics and Space Administration Daniel M. Tani is an American engineer and a NASA astronaut. Although born in Ridley Park, Pennsylvania, he considers Lombard, Illinois, to be his hometown. With Peggy Whitson, Tani conducted the 100th spacewalk on the International Space Station.