Agnes Martin was an artist born in Canada in 1912. She grew up in Vancouver but moved to the United States in 1931, formally becoming a U.S. citizen in 1950. Martin's signature style utilized simple lines and grids over fields of subtle color. She was a prominent member of the abstract expressionist movement. During her lifetime, her work has been the subject of more than 85 solo shows and two retrospectives. Martin received several prestigious awards and accolades including the National Medal of Arts in 1998 and the Golden Lion for Contribution to Contemporary Art at the Venice Biennale in 1997.