the actor, dancer and choreographer who played Joyboy in West Side Story and worked in such other famed movie musicals as Bye Bye Birdie, The Unsinkable Molly Brown and Mary Poppins, has died.

Richard M. Sherman, one half of the prolific, award-winning pair of brothers who helped form millions of childhoods by penning the instantly memorable songs for "Mary Poppins," "The Jungle Book ...