Elected 1973
The history of the American Revolution and the Early American Republic, 18th and 19th centuries; slavery In North America, 17th-19th centuries; Thomas Jefferson and the Age of Jefferson
History of earth sciences, especially the reconstruction of the earth's pre-human history, 1750-1850; the history of visual imagery in the natural sciences; epistemic issues in field- and museum-based sciences
Modern history of China; 20th century international & transnatioanl history; Cold War history; comparative history of revolutions & political change; the public practice of history
