People of the Revolution and the USSR
- Étienne Cabet Étienne Cabet Founder of the Icarian movement who coined the term 'communism'
- Louis Auguste Blanqui Louis Blanqui Insurrectionary strategist who spent 37 years in prison; Blanquism paved the road to Leninism
- Mikhail Alexandrovich Bakunin Михаил Александрович Бакунин Marx's greatest rival: founder of collectivist anarchism, at the center of the First International's great split
- Nathalie Le Mel Nathalie Le Mel French bookbinder and activist in the Women's Union of the Paris Commune
- Louise Michel Louise Michel Montmartre teacher who fought on the Commune’s barricades, was deported to New Caledonia and became the anarchist “Red Virgin”
- Eugène Varlin Eugène Varlin Bookbinder who led the Paris International, ran the Commune’s finances and was shot on the last day of Bloody Week
- Leó Frankel Frankel Leó Jeweller who headed the Commune’s Labour and Exchange Commission and later founded Hungary’s workers’ party
- Elisabeth Lukinichna Dmitrieff Елизавета Лукинична Кушелева Russian revolutionary who organized the Paris Commune's Women's Union
- Eugene V. Debs Eugene V. Debs Five-time Socialist Party presidential candidate and pioneer of industrial railroad unionism
- Clara Zetkin Clara Zetkin Creator of International Women's Day, she set women's liberation at the heart of class struggle
- James Connolly James Connolly He raised the workers' flag and the republic's on a single staff
- Alexander Osipovich Berkman Александр Осипович Беркман Anarchist writer who served 14 years for the Frick assassination attempt, then broke with the Soviet state
- Elizabeth Gurley Flynn Elizabeth Flynn "East Side Joan of Arc": from the IWW's Rebel Girl to first woman chair of the CPUSA
- Gavrilo Princip Гаврило Принцип Young Bosnia member who shot dead Archduke Franz Ferdinand and his wife in Sarajevo in 1914