Oliver Johnson Caldwell was the head of the English Department and the University of Nanjing from 1935 until August 15, 1938, when he was forced to return home to his wife in Watertown, NY on account of the Sino-Japanese War.

"Prof. Oliver J. Caldwell Believes Nanking is Winning War," The New York Times, August 16, 1938, pg. 8, https://timesmachine.nytimes.com/timesmachine/1938/08/16/issue.html.