Postcard commemorating the Vostok Project in the 1960’s

50 years ago, Yuri Gagarin became the first man in space, but the unsung hero of the Soviet Union's triumph at that time, was a brilliant scientist and rocket genius - Sergei Korolev

The flight of Vostok 1 – was a defining moment of the 20th century and opened up the prospect of interplanetary travel for our species.