World Changers2026-11-01Tsunesaburo Makiguchi: the principal who refused the state's talismanA Tokyo elementary-school principal wrote a pedagogy of children's happiness, refused the wartime state's shrine talisman, and died in Sugamo Prison months before the movement he founded began to grow.22
World Changers2026-10-25Katalin Karikó: the one-letter fix that kept being refusedKatalin Karikó lost her job, her grants and her lab over an mRNA modification two journals refused to publish; this issue traces how that finding became two COVID-19 vaccines, who ended up holding the patent, and what the melanoma result of October 2026 adds.22
World Changers2026-10-18Rigoberta Menchú: the week of talking that became evidenceA week of taped interviews in Paris turned one K'iche' woman's account of Guatemala's war into a Nobel Prize, a rights accord and a genocide case — and into a long fight over what a witness owes.12
World Changers2026-10-11Ken Saro-Wiwa: the delta that became a bill of rightsA Nigerian writer helped his people write their grievance against Shell into a bill of rights, carried it to the United Nations and then to the courts, and was hanged for it; 31 years on, the same claim is being settled in courtrooms and in negotiations over whether the wells reopen.22
World Changers2026-10-04Maria Montessori: the children who taught themselvesHow a doctor's observation in one poor Roman classroom became a worldwide method, and why the name 'Montessori' has always travelled faster than any guarantee of the practice inside the room.11
World Changers2026-09-27Mario Molina: the chemical that nothing could breakHow a young postdoctoral researcher worked out that a family of supposedly harmless industrial chemicals would destroy the ozone layer, spent eleven years being called a doomsayer, and saw the treaty built on that finding become the world's most effective piece of environmental law.21
World Changers2026-09-20Paul Farmer: the neighbours who carried the cureHow Paul Farmer and the community health workers of central Haiti turned the claim that the poor were untreatable into a delivery problem, and carried the answer from a village clinic to global guidelines.12
World Changers2026-09-13Fannie Lou Hamer: the sharecropper who refused a half-seat at democracyHow Fannie Lou Hamer moved from Mississippi cotton fields to national politics, built the Mississippi Freedom Democratic Party, and anchored civil rights in economic independence.2
World Changers2026-09-06Yacouba Sawadogo: how a farmer made a forest teachableHow Yacouba Sawadogo adapted zaï farming into a forest, a teaching network, and a wider movement for restoring degraded land.11
World Changers2026-08-30Bunker Roy's college where the lesson has to travel homeHow Sanjit "Bunker" Roy built Barefoot College around a simple test: can a practical lesson return home as local power, education, and authority?21
World Changers2026-08-23Leymah Gbowee: the sit-in that changed the roomA sourced profile of Leymah Gbowee and the Liberian women’s peace movement, showing how a cross-faith coalition turned public presence into leverage at peace talks and then into civic institutions.2
World Changers2026-08-16Fazle Hasan Abed: how a relief agency became a learning systemA sourced profile of Fazle Hasan Abed, tracing how BRAC turned postwar relief into a learning-driven system of health, education, finance, and collective action—and what its limits reveal about scaling social change.21