The Plowshare Newsletter has run a series called “Peacemaker” for years now. The purpose is to showcase some truly brave individuals that made a difference. Here are individual links to some of those featured, plus a few other notable activists… 

A.J. Muste
Berta Caceres
Carl von Ossietzky
Cesar Chavez
Daniel Berrigan
Daniel Ellsberg
Danilo Dolci
Dorothy Day
Fannie Lou Hamer
Francis Sheehy-Skeffington
Gene Sharp
James Chaney, Andrew Goodman & Michael Schwerner
Jody Williams
John Lennon
Mairead Maguire
Maximilian Kolbe
Oscar Romero
Rigoberta Menchu
Sok-Hon Ham
Tawakkol Abdel-Salam Karman
Thomas Paine
Tom Fox
Toyohiko Kagawa