As a strategist he was crucial to the organization of the March on Washington and his desire for non-violent protest was one that saw him work closely with Martin Luther King. As an openly gay man in a time when homosexuality was criminalized, Rustin’s effectiveness was somewhat limited, as people’s prejudices got the better of their judgment.
John Daido Loori was a deeply realized and compassionate teacher of Zen who dedicated his life to helping others to live in equanimity and compassion.
Alan Turing changed the world not once, but twice. He altered the course of World War II by cracking codes and followed that up with groundbreaking work on computers.
Mum Shirl Smith helped young Aborigines in and out of prison. She gave them someone to call “mum”.
Vicente Ferrer helped millions of poor people in India by providing health care and rural development.
Erin Brockovich gained fame for her role in battling the Pacific Gas and Electric Company who had been leaking poisonous compounds into the local water supply of Hinkley, California.
Lt. C. Carwood Lipton is a fictional character in the HBO series Band Of Brothers (he was based on a true person however).
By the time Schweitzer was 30, he decided to commit his life to mankind and became a missionary in medicine.
Giovanni fought the Mafia in Sicily and was killed for it. He believed any impact was worth the effort.