Conversation so far:
Where did Theodore Roosevelt attend school?
Theodore Roosevelt was home-schooled, and he began a lifelong naturalist avocation before attending Harvard College.
Did Theodore Roosevelt attend college?
Theodore Roosevelt entered Harvard College on September 27, 1876.
What did Theodore Roosevelt study?
Theodore Roosevelt studied biology intently and was already an accomplished naturalist and a published ornithologist.
What accomplishments did Theodore Roosevelt have during his schooling?
Theodore Roosevelt was a member of the Alpha Delta Phi literary society, the Delta Kappa Epsilon fraternity, and the prestigious Porcellian Club.
Did Theodore Roosevelt receive any awards or honors?
In 1880, Theodore Roosevelt graduated Phi Beta Kappa from Harvard with an A.B. magna cum laude.
What else is significant about Theodore Roosevelt's education besides graduating with honors?
Roosevelt gave up his earlier plan of studying natural science and instead decided to attend Columbia Law School, moving back into his family's home in New York City.

Question: What did he do then?
Self-contained rewrite: What did Theodore Roosevelt do after attending Columbia Law School?