Conversation so far:
Where did Susan Glaspell grow up?
Across the river from Black Hawk's ancestral village in Iowa.
Who were the members of Susan Glaspell's family?
Elmer Glaspell, a hay farmer, and his wife Alice Keating, a public school teacher, an older brother, Raymond, and a younger brother, Frank.
Where did Susan Glaspell go to school?
Did Susan Glaspell got to college?
At twenty-one Glaspell enrolled at Drake University, against the local belief that college made women unfit for marriage.
What did Susan Glaspell study at Drake?
philosophy

Question: When did she graduate?
Self-contained rewrite: When did Susan Glaspell graduate?