Nicholas Christakis completed his residency in internal medicine at Penn in 1991. He also began his graduate studies in sociology, earning a master’s degree from the College in 1992 and a doctorate in 1995.
Nicholas Christakis completed his residency in internal medicine at Penn in 1991. He also began his graduate studies in sociology, earning a master’s degree from the College in 1992 and a doctorate in 1995. Paul Schnaittacher and Paul Schnaittacher
