Georgy Dobrovolsky Ukrainian pilot and astronaut (b. 1928)
Georgy Timofeyevich Dobrovolsky (Russian: Гео́ргий Тимофе́евич Доброво́льский; 1 June 1928 – 29 June 1971) was a Soviet cosmonaut who commanded the three-man crew of the Soyuz 11 spacecraft. They became the world's first space station crew aboard Salyut 1, but died of asphyxiation because of an accidentally opened valve. To date, they were the first and only humans to have died in space.