Rita Moreno. Actress: West Side Story. Rita Moreno is one of the very few performers to win an Oscar, an Emmy, a Tony and a Grammy, thus becoming an EGOT. She was born Rosita Dolores Alverío in the hospital in Humacao, Puerto Rico on December 11, 1931 (but raised in nearby, smaller Juncos, which had no hospital), to seamstress Rosa María (Marcano) and farmer Francisco José "Paco" Alverío. Her mother...