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.
What did Isaac Asimov study at Seth Low Junior College?
Originally a zoology major, Isaac Asimov switched to chemistry after his first semester as he disapproved of dissecting an alley cat.
Where else did Isaac Asimov go to school?
Isaac Asimov attended at University Extension (later the Columbia University School of General Studies)

Question: What did he get a bachelors in?
Self-contained rewrite: What did Isaac Asimov get bachelor degree in?