John earned his B.A. in Sociology from Bard College and a Ph.D. from the University of Pennsylvania. He has taught at Bryn Mawr, Wellesley and Franklin and Marshall Colleges, and the University of Pennsylvania. John’s scholarly work focuses on the relationship between the state and political dissent. This includes research on the origins of the Federal Bureau of Investigation (FBI), FBI surveillance of Hollywood in the 1940s and 1950s, and, most recently, on changes in how police respond to political protests.