He played Wally Cleaver and Eddie Haskell’s somewhat goofy “third wheel” in Leave It To Beaver.
His character’s name was Clarence “Lumpy” Rutherford.
Frank was born 4-12-1942 in a hospital corridor during an air raid drill.
In the years after Beaver, Frank Bank became a highly successful municipal bonds broker in Palm Springs, California.
As of 2003 he is divorced and has four daughters and two grandchildren.
http://www.imdb.com/name/nm0052039/bio
http://www.tv.com/frank-bank/person/51105/biography.html