In 1985, the museum accepted Michael Heizer's earthwork Double Negative in Nevada desert, donated by Virginia Dwan.[7] A 1986 bequest by television executive Barry Lowen included 67 works of minimalist, post-minimalist and neo-expressionist painting, sculpture, photography and drawing by artists such as Dan Flavin, Ellsworth Kelly, Agnes Martin, Elizabeth Murray, Julian Schnabel, Joel Shapiro, Frank Stella, and Cy Twombly.