INTERNATIONAL MUSEUMS AND COLLECTIONS

• Museum of Modern Art, New York, USA
• Biblioteca Nazionale Marciana, Venice, ITA
• National Museum of the U.S. Navy, Washington D.C., USA
• Whitney Museum of American Art, New York, USA
• Berkeley Art Museum, University of California, CA, USA
• Smithsonian American Art Museum, Washington D.C., USA
• Stanford University Center for Visual Arts, Stanford, CA, USA
• Boca Raton Museum of Art, FL, USA
• San Angelo Museum of Fine Arts, San Angelo, TX, USA
• Santa Barbara Museum of Fine Art, Santa Barbara, CA, USA
• The Art Institute of Chicago, IL, USA
• National Portrait Gallery, Washington, D.C., USA
• Museum moderner Kunst der Stiftung Ludwig, Vienna, AUT
• Museum Neue Galerie, Kassel, GER
• Museum of the Southwest, Midland, TX, USA
• The University of Texas of the Permian Basin, Odessa, TX, USA
• MAC Museum Art & Cars, Singen, GER

SOME COLLECTORS AND COMMISSIONS

• John and Dominique De Menil
• Louis Kaufman (Violinist) and Dr. Annette Kaufman
• Marlo Thomas, actress
• William Inge, writer and scriptwriter
• Dennis Hopper, actor
• Dr. William Emboden, art critic an professor
• Felix Landau, Gallery owner
• Jack Hirschmann, poet
• John Wayne, actor - commissioned Gill to paint him
• Tony Curtis, actor -  commissioned Gill to paint him
• Hans Eichel, former Minister of finance, Germany
• Kreissparkasse Heilbronn, German bank
• FBF - Stiftung für Wissenschaft und Kunst, Schmalkalden