Conversation so far:
When did Sid Caesar die?
Sid Caesar died on February 12, 2014 at his home in Beverly Hills, California, at the age of 91.
What was Sid Caesar's cause of death?
Sid Caesar died on February 12, 2014 after a short illness.
How did people react to Sid Caesar's death?
On Caesar's death, Carl Reiner said, He was the ultimate, he was the very best sketch artist and comedian that ever existed.“

Question: What did other people say about him?
Self-contained rewrite: What did other people say about Sid Caesar besides Carl Reiner?