Ruth Fine, curator of special projects in modern art, National Gallery of Art, Washington, in conversation with artists Melvin Edwards, Sam Gilliam, and William T. Williams. On February 21, 2010, distinguished artists Melvin Edwards, Sam Gilliam, and William T. Williams joined Ruth Fine, National Gallery of Art curator of special projects in modern art, for a conversation "about abstraction." In this podcast Edwards, Gilliam, and Williams discuss the role of abstraction in their work as well as the most important influences on their careers.