Trisha Brown, one of postmodern dance’s greatest pioneers, one of Mills College Dance Department’s most illustrious graduates and an artist of infinite wit and invention, died Saturday, March 18, in San Antonio, after suffering for several years from vascular dementia. “Trisha proposed a whole new language of movement, nuanced, articulate and profoundly intelligent,” said Brenda Way, the artistic director and founder of San Francisco’s ODC. After a workshop with Marin’s Anna Halprin, Ms.