Vostok 3KA-3
Yuri Alekseyevich Gagarin - Ю́рий АЮ́рий Алексе́евичГага́рин

Vostok 1 marked his only spaceflight.Yuri Gagarin was chosen with 19 other pilots for the Soviet space program.

Gagarin was
provided outdated weather information. The planned flight activities needed clear weather to land.  Unfortunately this lead to his ealry death at the age of 34.