Born Vaslav Fomich Nijinsky (March 12, 1890 - April 8, 1950) was a ballet dancer and choreographer, born in Kiev, Ukraine.

Considered among the great male dancers in history, he studied at the Imperial Dancing Academy, Saint Petersburg, Russia, and would become celebrated for his virtuosity and for the depth and intensity of his characterizations. His ability to perform apparently gravity-defying leaps was also legendary.

A turning point for Nijinsky was his meeting with Sergei Diaghilev, a member of the St Petersburg elite and wealthy patron of the arts, promoting Russian visual and musical art abroad, particularly in Paris. Nijinsky and Diaghilev became lovers, and Diaghilev became heavily involved in directing Nijinsky's career. In 1909 Diaghilev took a company to Paris, with Nijinsky and Anna Pavlova as the leads. The show was a huge success and greatly increased the reputation of both the leads and Diaghilev throughout the artistic circles of Europe. Diaghilev created Les Ballets Russes in its wake, and with choreographer Michel Fokine, made it one of the most famous companies of the time.

Nijinsky began to work as a choreographer himself, producing three ballets, L’Après-midi d’un Faune (the afternoon of a faun), Jeux and Le Sacre du Printemps (the rite of spring), the last accompanied by Stravinsky's famous music of the same name (see The Rite of Spring). Nijinsky created revolutionary movements in his shows, moving away from the traditional flowing movements of mainstream ballet. His radical angular movements combined with heavy sexual overtones caused a riot in the Théâtre de Champs-Elysées when Le Sacre du Printemps was premiered in Paris.

Nijinsky's and Diaghilev's relationship was deteriorating and in 1913 Nijinsky got married to Romola de Pulszky, a wealthy Hungarian and daughter of a famous classical actress. It is doubtful whether his marriage was particularly happy and the stress of fame and work was starting to take its toll.

Nijinsky had a nervous breakdown in 1919 and his career effectively ended. He was diagnosed with schizophrenia and taken to Switzerland by his wife where he was treated by psychiatrist Eugene Bleuler.

He spent the rest of his life in and out of psychiatric hospitals and asylums. He died in a London clinic on April 8, 1950 and was buried in London until 1953 when his body was then moved to Cimetière de Montmartre, Paris, France.