Biography in: "Who's Who in Comedy" by Ronald L. Smith, pg. 176 (under "Gallagher and Shean"). New York: Facts on File, 1992. ISBN 0816023387.
Brother-in-law of Sam Marx.
One son.
Son of Lafe Schoenberg, a magician and ventriloquist who traveled Germany for over 50 years with his wife and children before the family emigrated to the United States in 1860.
Uncle to The Marx Brothers, he wrote much of their early material and continued to guide and advise his nephews through their early careers.
