Who was the first Bulgarian cosmonaut?

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.

He, along with Soviet cosmonaut Nikolai Rukavishnikov, was launched into space as part of the Soyuz 33 mission from Baikonur Cosmodrome on April 10, 1979, at 17:34 (GMT). The scientific program for the flight was prepared entirely by Bulgarian scientists, along with some of the equipment.