For their politics they were put in prison. Some died, some were released, and some are still there. But when others looked out from the same prison bars and saw mud, they saw stars. From a Korean dissident to a nuclear scientist, via Vaclav Havel, we look at some of the world's most famous political prisoners.
An exercise in pure mathematics has led to a wide-ranging theory of how the world comes together. On a mild autumn day in 2016, the Hungarian mathematician Gábor Domokos arrived on the geophysicist Douglas Jerolmack's doorstep in Philadelphia..
The 2021 Sakharov Prize for Freedom of Thought has been awarded to the jailed Russian opposition leader Alexei Navalny. Created by the European Parliament in 1988, the award recognises individuals or…