High School of Music and Art
Wrote lyrics for the Off-Broadway musical "Gallery"
Penned the lyrics (to Marvin Hamlisch's score) for the landmark Broadway musical "A Chorus Line", directed and choreographed by Michael Bennett
Hired by Columbia Records as a producer; oversaw such recordings as the cast albums for "Hallelujah, Baby!" and "Jacques Brel Is Alive and Well and Living in Paris"
Again collaborated with Michael Bennett on the musical "Scandal"; show went into rehearsals but Bennett abruptly canceled the production
His will established The Kleban Foundation which awards grants to young lyricists and book writers to encourage the tradition of the American musical.