Sentence:  The book is by Jerome Weidman and George Abbott , music by <WSD>Jerry</WSD> Bock , lyrics by Sheldon Harnick , choreography by Peter Gennaro , scenery , costumes and lighting by William and Jean Eckart , musical direction by Jack Elliott , and the production was directed by Mr. Abbott . 
Meaning of the word marked with <WSD> tags:  a human being