[1] After serving as a pastor in Congregational churches in Hopkinton and Boston, Massachusetts, he became an agent of the American Anti-Slavery Society in 1834.
[2] In 1839, he left the Massachusetts Anti-Slavery Society and became one of the founding members of the Massachusetts Abolition Society, formed by abolitionists who disagreed with William Lloyd Garrison's progressive, and sometimes radical, politics.
[3][4] In 1840, he also joined forces with a group that formed the American and Foreign Anti-Slavery Society.
[5] He married Charlotte Brown Phelps, and they had a son Edward.
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