1) Vernon and Irene castle were b. responsible for renewing the influence of ballroom dance in America. Once upon a time this couple appeared on Broadway and made a new wave of modern dancing, attracting people through their ballroom dance.
2) Arthur Murray is d. responsible for standardization/teaching of steps leading to spread of ballroom dance education. Arthur Murray is the owner of the huge the dance studio chain that bears his name, so this description is definitely belongs to this talented person.
3) Fred Astaire a. stylized the forms of ballroom dance by incorporating other dance forms. His new recognizable dance style was created under the influence of tap and many other black rhythms, classical dance, and of course the greatest works of Vernon and Irene Castle. This mix led him to success and he the greatly contributed to the changes of the American Smooth style of ballroom dance.
4) Willi Ninja is a c. godfather of vogue dance. This man was inspired by Fred Astaire experimental style and he brought up a totally new view on voguing, mixing haute couture world with Astaire's mixed dances. He also was starred in the documentary movie ''Paris Is Burning'' that tells everything about development of vogue dance.