Arthur Tappan (1786–1865) and Lewis Tappan (1788–1863) were successful merchants and prominent antebellum abolitionists. Brothers born in Massachusetts, Arthur and Lewis became wealthy through various business ventures from the 1820s through the 1840s. The two became involved in the abolition movement in the 1830s, and they used their wealth to advance the cause. In 1833, they formed the American Anti-Slavery Society with Theodore Weld and founded Oberlin College, which enrolled both black and white students. Lewis gave financial backing to...