Who is an astrophysicist for the European Space Agency, Dirk Frimout or Georgi Ivanov?
Georgi Ivanov Major general Georgi Ivanov Kakalov (Bulgarian: Георги Иванов Какалов ; born July 2, 1940) is a retired Bulgarian military officer and the first Bulgarian cosmonaut. He was a member of the National Assembly of Bulgaria in 1990.
Gennadi Sarafanov Gennadi Vasiliyevich Sarafanov (Russian: Геннадий Васильевич Сарафанов ; b. January 1, 1942 in Sinenkiye, Saratov Oblast, Russia – d. September 29, 2005, Moscow) was a Soviet cosmonaut who flew on the Soyuz 15 spaceflight in 1974. This mission was intended to dock with the space station Salyut 3, but failed to do so after the docking system malfunctioned.