Conversation so far:
What is significant about Bloom's career?
Bloom studied and taught in Paris (1953-55) at the Ecole Normale Superieure, and Germany (1957).
Upon returning to the United States in 1955.
What did he do in the US?
he taught adult education students at the University of Chicago with his friend Werner J.
Dannhauser, author of Nietzsche's View of Socrates.
Bloom went on.
What did he do after this?
Bloom went on to teach at Yale from 1960 to 1963, at Cornell until 1970, and at the University of Toronto until 1979.
When did he die?
possibly culminating--as in Saul Bellow's thinly fictionalized account in Ravelstein--in his death in 1992 from AIDS.

Question: What did he do in the 1980s?
Self-contained rewrite: What did Allan Bloom do in the 1980s?