Her works were Inspired in part by her studies of the art of the Pomo Indians. Sylvia Seventy, who kept her life private but was known widely as an artist, died March 1 of cancer at age 77.

PoMO seeks to “tear down some of the walls between the art world and most people,” Ole Robert told The Art Newspaper. “Going into a museum can be a scary thing.” To bring that vision to ...