Conversation so far:
How did Jascha Heifetz's career start?
On October 27, 1917, Heifetz played for the first time in the United States, at Carnegie Hall in New York, and became an immediate sensation
Did Jascha Heifetz ever release an album?
Jascha Heifetz was a prolific recording artist. All of his recordings have been reissued on compact disc
Did Jascha Heifetz ever release music?
Jascha Heifetz was a prolific recording artist. All of his recordings have been reissued on compact disc
Did Jascha Heifetz ever retire?
After an only partially successful operation on his right shoulder in 1972, Heifetz ceased giving concerts and making records.

Question: What did he do after retirement?
Self-contained rewrite: What did Jascha Heifetz do after retirement?