Arsenic & Old Lace a 1955 adaptation for the CBS anthology series "The Best of Broadway". Arsenic & Old Lace Arsenic & Old Lace is a 1962 television film directed by George Schaefer and starring Tony Randall. It first aired during season 11 of the NBC anthology series "Hallmark Hall of Fame". It is an adaptation of Joseph Kesselring's 1939 play "Arsenic and Old Lace". Boris Karloff reprised his role as Jonathan Brewster (who is described by the other characters as resembling the "Frankenstein" star), which he had originated on Broadway. He had been unable to appear in Frank Capra's 1944 film due to
Identity element Identity element In mathematics, an identity element or neutral element is a special type of element of a set with respect to a binary operation on that set, which leaves other elements unchanged when combined with them. This concept is used in algebraic structures such as groups and rings. The term "identity element" is often shortened to "identity" (as will be done in this article) when there is no possibility of confusion, but the identity implicitly depends on the binary operation it is associated with. Let be a set with a binary operation ∗ on it. Then an element of