In Black Prophets of Justice, David E. Swift examines the interlocking careers and influence of six black clergymen, two of them fugitive slaves, who lived in the antebellum North and protested the racism of the time. Samuel Cornish, Theodore Wright, Charles Ray, Henry Highland Garnet, Amos Beman, and James Pennington had much in common: all were noted for their education and eloquence, all were ministers of the earliest black Presbyterian and Congregational churches, and all were activists toward social change.

Preachers as well as activists, these men fought, Swift argues, for the...