Conversation so far:
Where did Murray Rothbard attend college?
Murray Rothbard attended Columbia University
What did Murray Rothbard study at Columbia University?
Murray Rothbard received a Bachelor of Arts degree in mathematics
Did Murray Rothbard receive a Masters degree?
Murray Rothbard received Ph.D. in economics

Question: What achievements did he have during college?
Self-contained rewrite: What achievements did Murray Rothbard have during college?