David Harrington Watt is the Douglas and Dorothy Steere Professor of Quaker Studies at Haverford College. His publications include: Global Quakerism, 1938-2018 (Penn State University Press, forthcoming, co-edited with Stephen Angell and Pink Dandelion); Henry Cadbury: Quaker, Pacifist, and Skeptic (Brill, 2024, co-written with James Krippner); The Creation of Modern Quaker Diversity, 1830-1937 (Penn State University Press, 2023, co-edited with Stephen Angell and Pink Dandelion)