Conversation so far:
Where did Isaac Asimov go to school?
Isaac Asimov attended New York City public schools from age 5, including Boys High School in Brooklyn.
Did Isaac Asimov further his education?
Graduating at 15, Isaac Asimov attended the City College of New York for several days before accepting a scholarship at Seth Low Junior College, a branch of Columbia University.

Question: What did he study there?
Self-contained rewrite: What did Isaac Asimov study at Seth Low Junior College?