In 2015 The Guardian named Cork's Mary Harris, or “Mother Jones”, among the world's all-time top ten revolutionaries – alongside the likes of Che Guevara, Robespierre, Trotsky and Gandhi. But who was Mother Jones, asks Robert Hume, and what made her such a threat?

After the death of her husband and four children, Mary Jones risked her life for decades fighting for US workers’ rights says Nicola Depuis.