He was a member of the famous Algonquin Round Table.
He wrote three autobiographies. A Smattering of Ignorance in 1940, Memoirs of an Amnesiac in 1965, and The Unimportance of Being Oscar in 1968.
The Oscar Levant Show was taken off the air due to a comment he made about Marilyn Monroe and Arthur Miller. "Now that Marilyn Monroe is kosher, Arthur Miller can eat her." He came back and apologized, saying that he hadn't meant it in the way it sounded.
Spent a big portion of his life checking himself in and out of mental institutions.
Oscar Levant: Underneath this flabby exterior is an enormous lack of character.
"There's a fine line between genius and insanity. I have erased this line."
"My psychiatrist once said to me, 'Maybe life isn't for everyone'."