1943
Oldřich Pelčák, Czech cosmonaut and engineer (died 2023)
Oldřich Pelčák, Czech cosmonaut and engineer (died 2023)
Oldřich Pelčák, Czech cosmonaut and engineer (died 2023)
Czech cosmonaut and engineer (1943–2023)
Oldřich Pelčák, Czech cosmonaut and engineer (died 2023)
Oldřich Pelčák, Czech cosmonaut and engineer (died 2023)