Lee Evans (pictured), Yuan Longping, Bill McCall, Alix Dobkin - a podcast by BBC Radio 4

Matthew Bannister on

Lee Evans, the world-record-breaking American sprinter who took part in black power protests at the 1968 Mexico Olympics.

Yuan Longping, the plant scientist who developed hybrid varieties of rice that increased yields dramatically and so saved millions from hunger.

Bill McCall, the General Secretary of the Institution of Professional Civil Servants who challenged Margaret Thatcher over union recognition at GCHQ.

Alix Dobkin, the folk singer and lesbian activist who performed to women-only audiences.

Producer: Neil George

Interviewed guest: Tommie Smith
Interviewed guest: Professor Douglas Hartmann
Interviewed guest: Keith Bradsher
Interviewed guest: Charles Harvey
Interviewed guest: Liza Cowan

Archive clips used: Athletics_400 Metres Final: BBC One, TX 18.10.1968; A Classless Civil Service: Radio 3, TX 10.7.1968; BBC News: BBC One, TX 28.2.1984

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