Ainsworth, Fred Crayton (11 September 1852–05 June 1934), military surgeon and adjutant general, was born in Woodstock, Vermont, the son of Crayton Ainsworth, a modestly prosperous businessman and machinist, and Harriet Carroll, a seamstress and Woman’s Christian Temperance Union activist.
During 1869 and 1870 Ainsworth attended but did not graduate from Dartmouth College. Upon returning to Woodstock, he studied medicine for three years, then enrolled in the medical school of the City University of New York. He graduated with honors in 1874, served a brief residency on the Bellevue Hospital medical staff, and then won an appointment as an assistant surgeon in the Medical Department of the U.S. Army. In November 1874 he reported to the U.S. Military Academy at West Point for his first army assignment as a surgeon....