He has a colourful past, having been the drummer for a heavy metal rock group and attempted to become Britain's first man in space. (news.bbc.co.uk)
Milner, a Russian native, was named after cosmonaut Yuri Gagarin, who exactly 55 years earlier became the first man in space and the first to orbit Earth. (discovermagazine.com)
So you can find Gagarin Rock, named for Soviet astronaut Yuri Gagarin, the first man in space, in Vostock Crater, where all the other names are Russian. (discovermagazine.com)