But there were also Catholic leaders like Father Theodore Heshburg, and Jewish leaders like Rabbi Abraham Joshua Heschel, Muslim leaders and Hindu leaders.
His commitment to nonviolence came through studying the Hindu leader Mahatma Gandhi, his opposition to the Vietnam War was motivated by meetings with the Buddhist monk Thich Nhat Hanh and some of his most profound conversations about faith and civil rights took place with a Rabbi, Abraham Joshua Heschel.