Kathleen Dalton is Cecil F.P. Bancroft Instructor of History and Social Science at Phillips Academy, Andover and a Consulting Historian for the National Park Service. She was formerly a Fellow at Charles Warren Center for Studies in American History at Harvard University and a Gilder-Lehman research fellow in New York. Educated at Mills College and Johns Hopkins University, she has been studying Theodore Roosevelt since 1975. She is the author of several articles on Theodore Roosevelt and his times. She lives in Andover, Massachusetts, with her husband, the historian E. Anthony Rotundo, and their two children.