Demi's post reminds me of one the all-time greats who hasn't gotten anything like the love she deserves. Carol Haney was Gene Kelley's assistant choreographer for all of his most famous movies. After she danced with Bob Fosse in
Kiss Me Kate and he suggested her for the Broadway production of
The Pajama Game. She was so great they actually created a larger roll for her in the play, a role that she also played in the movie, which I dearly love.
Here she is in "Steam Heat" incarnating Fosse's style before it was known as Fosse's style: