Abbie Hoffman was a radical activist and countercultural icon who co-founded the Youth International Party and became a prominent figure in the 1960s anti-war and civil rights movements.
Antonie Pannekoek was a Dutch astronomer and socialist theorist who made significant contributions to the understanding of the cosmos and the development of Marxist thought.
John Knox was a Scottish clergyman, theologian, and writer who led the Protestant Reformation in Scotland and shaped the country's religious identity.