Buffett receives a master's degree in economics from Columbia, reportedly receiving the only A+ ever given out by Benjamin Graham.
After being turned down to work for Graham, Warren returns to Omaha to work as a stockbroker at Buffett-Falk. Buffett takes a Dale Carnegie public speaking course and teaches a night class, "Investor Principles," at the University of Nebraska.
Warren begins dating Susan Thompson. She was Warren's sister's roommate at Northwestern University.