Claim: Charlie Rubin did some writing for Seinfeld.

Charlie Rubin is an American television comedy writer , producer , and humorist .   He has written for National Lampoon , The Carol Burnett Show , In Living Color , The Jon Stewart Show , Saturday Night Live , Seinfeld , and Law & Order : Criminal Intent .   Charlie attended Horace Mann School in Riverdale , New York and then Williams College , from which he graduated in 1972 . While at Williams , Charlie , along with his friend , Mitchell Rapoport , founded The Williams Advocate . He also produced an original musical called `` Sizzle '' with William Finn at the Adams Memorial Theater . It was the first original musical to be mounted at Williams College since Stephen Sondheim attended over 20 years earlier .   Charlie is currently working on a screen adaptation of Veeck -- As In Wreck : The Autobiography of Bill Veeck . He is also a professor at NYU 's Tisch School of the Arts in the Rita & Burton Goldberg Department of Dramatic Writing , where he teaches writing for television .   He married writer Susan Shapiro on July 27 , 1996 .