John Maclean

''I am not here, then, as the accused; I am here as the accuser of capitalism dripping with blood from head to foot'' – John Maclean, Speech from the Dock, 1918.

Feared by the government, adored by workers, celebrated by Lenin and Trotsky; the head of British Military Intelligence called John Maclean ''the most dangerous man in Britain''.

This new biography explores the events that shaped the life o...