Mahatma Gandhi

The image most people carry is the walk to the sea in 1930 — a march that turned a tax on salt into a public argument about colonial rule, and drew attention far outside India. That action fits a pattern: Gandhi built campaigns that were at once moral appeals and practical disruptions, from the Non-Cooperation Movement's boycotts and peaceful protests to the spinning of homespun cloth as a marker of dignity and economic self-reliance.

The method had a name, satyagraha, and it came out of experience rather than theory. He studied law in London, then met racism directly while working in South Africa, where he organised campaigns for Indian rights. What he took from that was a disciplined insistence on truth and nonviolence: followers were asked to absorb suffering without hitting back. Returning to India, he became a central figure in the independence movement, arguing for swaraj — self-rule understood as moral and social renewal as much as a change of government. He kept talking to opponents while refusing to bend on principle, and lived modestly in a way that read as solidarity with the poor and a rebuke to excess.

He also used fasting, at moments when communal violence threatened to break loose, to pull people back. As independence approached he spoke against sectarian hatred and backed efforts to protect minorities. Independence came in 1947, and with it partition, whose bloodshed wounded him; he went on travelling, mediating and consoling, treating human life as the thing that mattered more than political victory. He was assassinated in 1948 by a nationalist extremist.

His techniques were picked up by civil rights leaders, anti-apartheid activists and democracy movements elsewhere, and the argument he opened — about whether means can be separated from ends — has never quite closed.