Conversation so far:
When did Richard Stallman attend harvard?
As a first-year student at Harvard University in fall 1970.
what did he study at harvard?
Stallman received a bachelor's degree in physics (magna cum laude) from Harvard in 1974.
did he do any research?
While working (starting in 1975) as a research assistant at MIT under Gerry Sussman.
did anything notabke happen at harvard?
Stallman considered staying on at Harvard, but instead he decided to enroll as a graduate student at MIT.
when did he enroll to MIT?
(starting in 1975.
what did he study at MIT?
programming at the MIT AI Laboratory.
when did he graduate?
CANNOTANSWER.
did anything else interesting happen at MIT?
Stallman worked on software projects such as TECO, Emacs for ITS, and the Lisp machine operating system.

Question: did he work anywhere else?
Self-contained rewrite: Besides the MIT AI Laboratory, did Richard Stallman work anywhere else?