Jerome Robbins (October 11, 1918 - July 29, 1998) was an American choreographer whose work has included everything from classical ballet to contemporary musical theater. Among the numerous stage productions he worked on were "On The Town", "High Button Shoes", "The King And I", "The Pajama Game", "Bells Are Ringing", "West Side Story", "Gypsy: A Musical Fable" and "Fiddler on the Roof". Wikipedia
The definitive Wikipedia entry for Jerome Robbins. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Jerome_Robbins