Conversation so far:
When did Sid Caesar die?
February 12, 2014.
What was his cause of death?
after a short illness.
How did people react to his 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?