Cecilia Samoylovna Bobrovskaya (1873–1960) was an early Bolshevik activist, revolutionary, and memoirist. She played a notable role in various local organizations of the Bolshevik Party
John Callaghan is Professor of Politics at the University of Wolverhampton. He is author of The Far Left in British Politics (1987) and Socialism in Britain since 1884 (1990).