You've not given us much to go on, is he black, white, tall, short, the ones that spring to mind immediately for me are, Bill "Bojangles" Robinson, Gregory Hines, Fred Astaire, Gene Kelly, any good?
For most on the Homefront it would be the Battle of San Juan Hill.
Donald O'Connor, the celebrated American actor and dancer, is not widely documented as being gay. He was married twice and had children, which suggests he was heterosexual. However, personal details about his private life were not extensively publicized, so the topic remains mostly speculative. O'Connor is best remembered for his iconic role in "Singin' in the Rain."
Before dancing belly dancers mostly eat foods like bar, banana, apple, pizza, snacks and other light foods. thedancersworld.com
Oscar Schindler is mostly remembered as he was portrayed in Steven Spielberg's biopic of him from 1993.
basketball games
Well as a dancer you are made up from mostly muscle, so instead of being tired, munurised and incapabile of dancing for long hours, you are the oposite. The ideal weight for your height is 105 lbs or/ 47 kg. (the ideal weight for a professional ballet dancer is 85lbs at 5' tall and add 5lbs for every inch taller). :)
Picasso is remembered mostly for Cubism. look it up
Mostly rock'n pop
mostly ballet (well its all ballet) because back in the period phantom of the opera was set ballet dancing was very popular to go and see for the rich even though being a dancer was frowned upon. the opera house would have its own ballet dancer's or tours of ballet dancers.
theory of relativity and atom bomb
He was an African-American boxer turned actor. He was a great boxer in his time, but he is probabably remembered today mostly as the man who played Bumbo The Wild Man in the Little Rascals short Kid From Borneo.
Actually they mostly did ballet and clog dancing in the "olden days"