Rodney Stark makes the argument in For the Glory of God: How Monotheism Led to Reformations, Science, Witch-Hunts, and the End of Slavery,[60] that Christianity helped to end slavery worldwide, as does Lamin Sanneh in Abolitionists Abroad.[61] These authors point out that Christians who viewed slavery as wrong on the basis of their religious convictions spearheaded abolitionism, and many of the early campaigners for the abolition of slavery were driven by their Christian faith and a desire to realize their view that all people are equal under God.[62] In the late 17th century, anabaptists began to criticize slavery. Criticisms from the Society of Friends, Mennonites, and the Amish followed suit. Prominent among these Christian abolitionists were William Wilberforce, and John Woolman.