"the Cannibal of the Kremlin"
Jospeh Stalin
Public DomainJospeh Stalin - Credit: Library Of Congress

Chatwin grew up in the shadow of the Cold War and was driven to escape to distant corners by the spectre of Stalin dropping cobalt and hydrogen bombs on Europe.

Cobalt bombs never actually existed.  They were hypothesized as a form of nuclear weapon with immense radioactive fallout that could render whole areas uninhabitable.