Find brief biographies online, in the Unitarian Universalist Dictionary of Unitarian and Universalist Biography:

• Adin Ballou
• William Ellery Channing
• Ezra Stiles Gannett
• Theodore Parker

Learn more about Ballou on the Friends of Adin Ballou website.

Here are links to key writings by Ballou, Channing, and Parker:

• "The Superiority of Moral over Political Power" by Adin Ballou
• "Slavery" by William Ellery Channing
• "Speech at the Ministerial Conference in Boston" by Theodore Parker