Glanville Yeisley Rusk was born in Baltimore, Maryland, on February 15, 1875. He was a
graduate of Johns Hopkins University, and in 1901 he graduated from Johns Hopkins Medical
School. After his internship he served one year as house officer at the Sheppard-Pratt
Institute for Mental Diseases in Baltimore. He then moved to New York and was a member of
the staff of the New York Pathological Institute, where for seven years he specialized in
the pathology of the central nervous system. In December, 1906, he married Agnes Woodruff
of Virginia; they were the parents of three daughters.