Isabelle Collin Dufresne, French actress and author (died 2014)

Isabelle Collin Dufresne, known professionally as Ultra Violet, was a French-American artist, author, and both a colleague of Andy Warhol and one of his so-called Superstars. Earlier in her career, she worked for and studied with surrealist artist Salvador Dalí. Dufresne lived and worked in New York City, and also had a studio in Nice, France.

September 6 is the 249th day of the year in the Gregorian calendar; 116 days remain until the end of the year.