The term 'Bob of Broadway' refers to Bob FOSSE, a renowned American dancer, choreographer, director, and actor. He is best known for his work in musical theatre, winning eight Tony Awards for choreography and direction. He was also the first person to win an Emmy, a Grammy, and an Oscar for his work on the film adaptation of the musical 'CABARET'. FOSSE's signature style of dance, characterized by its sharp, angular movements, has been widely influential in the world of dance.