Question: American artist and amateur astronomer, Greg Mort, has a public collection at what art museum located in Rockland, Maine?

full_context: Document 1: Daniel Greene (artist): Daniel E. Greene PSA, NA, AWS (born 1934) is an American artist who works in the media of pastels and oil painting. The Encyclopædia Britannica considers Mr. Greene the foremost pastelist in the United States. His paintings and pastels are in over 700 public and private collections in the United States and abroad. Highly regarded as a portrait artist, his subjects have included leaders of Government, Banking, Education and Industry. Some of his sitters include First Lady Eleanor Roosevelt, Ayn Rand, Astronaut Walter Schirra, William Randolph Hearst, “Wendy’s” founder Dave Thomas, Commentator Rush Limbaugh, Composer Alan Menken, Bryant Gumbel and Bob Schieffer of CBS TV. Governmental Portraits include Secretary of Agriculture Ann Veneman, Governor Paul Laxalt of Nevada, Governor Gerald Baliles of Virginia, Governor Benjamin Cayetano of Hawaii, and Governor Fob James of Alabama. Business sitters include the chairmen of the boards of Honeywell, Coca-Cola Company, Dupont Corporation, Endo Pharmaceuticals, American Express, The New York Stock Exchange and IBM. Mr. Greene has also painted the Deans, Presidents and Benefactors of Tufts, Duke, Columbia, North Carolina, West Point, Delaware, Penn State, New York, Princeton, Rutgers, Yale and Harvard Universities.
Document 2: Gregory Burns: Gregory Burns, MFA, (born 1957) is an American athlete, painter, author, motivational speaker and member of Art of the Olympians. As a competitive swimmer, Burns represented the USA in the 1992, 1996, and 2000 Paralympic Games, winning five medals; he has broken five world records and numerous American records. As a contemporary artist, his paintings have been shown in dozens of solo exhibitions plus dozens of group exhibitions in at least sixteen countries, and Burns has taught in thirty Artist-in-Residence programs around the globe. He is the recipient of the United States Sports Academy’s 2016 Sport Artist of the Year award, (painter). As an author, Burns has published three books in English and Mandarin. As a motivational speaker, Burns has spoken to many audiences with a wide range of interests such as business, culture, and international relations.<ref name="Gregory Burns: Artist's Biography/Timeline"> </ref>
Document 3: Frye Art Museum: The Frye Art Museum is an art museum located in the First Hill neighborhood of Seattle, Washington, USA. The museum emphasizes painting and sculpture from the nineteenth century to the present. Its holdings originate in the private collection of Charles (1858–1940) and Emma (d. 1934) Frye. Charles, owner of a local meatpacking plant, set aside money in his will for a museum to house the Fryes' collection of over 230 paintings. The Frye Art Museum opened to the public in 1952, and was Seattle's first free art museum. The museum building was originally designed by Paul Thiry, although it has since been considerably altered.
Document 4: J. O. J. Frost: John Orne Johnson Frost (January 2, 1852 – November 3, 1928), who signed his work as J. O. J. Frost, was an early 20th century American folk artist. He began painting at the age of 70, without receiving any formal training. Frost considered himself a historian, not an artist, whose work preserved the experiences of daily life in the fishing village of Marblehead during the late 19th century. Pieces of his work currently reside in a number of museums including the Smithsonian American Art Museum, Marblehead Museum, and the Fenimore Art Museum.
Document 5: Farnsworth Art Museum: The Farnsworth Art Museum in Rockland, Maine, United States, is an art museum that specializes in American art. Its permanent collection includes works by such artists as Gilbert Stuart, Thomas Sully, Thomas Eakins, Eastman Johnson, Fitz Henry Lane, Frank Benson, Childe Hassam, and Maurice Prendergast, as well as a significant collection of works by the 20th-century sculptor Louise Nevelson. Four galleries are devoted to contemporary art.
Document 6: Greg Mort: Greg Mort (born March 22, 1952) is an American artist and amateur astronomer whose paintings have been the subject of numerous exhibitions. His portraits, still lifes, and landscape paintings are represented in public collections including the Smithsonian National Air and Space Museum, Corcoran Gallery of Art, Smithsonian American Art Museum, Vatican Observatory, Brandywine River Museum, Farnsworth Art Museum, and the Academy Art Museum in Easton, MD, which was gifted the David H. Hickman Collection of 38 Mort paintings.
Document 7: Center for Maine Contemporary Art: Founded in 1952, the Center for Maine Contemporary Art (CMCA) is a contemporary arts institution, presenting a year-round program of changing exhibitions featuring the work of emerging and established artists with ties to Maine. In addition, CMCA offers a full range of educational programs for all ages, including gallery talks, performances, film screenings, and hands-on workshops. In 2016, CMCA opened a newly constructed 11,500+ square foot building, with 5,500 square feet of exhibition space, designed by architect Toshiko Mori. Located in downtown Rockland, Maine, across from the Farnsworth Art Museum and adjacent to the Strand Theatre, the new CMCA has three exhibition galleries, a gift shop, a lecture hall, an ArtLab classroom, and an open public courtyard.
Document 8: Peter Gallo: Peter Gallo (born 1959 in Rutland, VT) is an artist and writer who lives and works in Hyde Park, VT. He received his Ph.D. and MA in Art History from Concordia University, Montreal, and has written about the intersection of biopolitics, medicalization, and artistic experience from the eighteenth to early twenty-first centuries. He has a BA from Middlebury College, Middlebury, VT. Additionally, the artist has been active in the Grass Roots Art and Community Efforts (GRACE) in Hardwick, VT. He has organized numerous exhibitions including "Insider Art," (GRACE traveling exhibition, 1990), and "Our Yard in the Future: The Art of Gayleen Aiken" (Horton Gallery, 2007). He has contributed criticism to "Art in America" and "Art New England", among others. The artist is represented by Horton Gallery in New York City and Anthony Reynolds Gallery in London, UK. Gallo's works have been featured in solo and group exhibitions in the United States and Europe, and are included in notable collections of contemporary art.
Document 9: Benjamin Champney: Benjamin Champney (November 20, 1817 – December 11, 1907) was a painter whose name has become synonymous with White Mountain art of the 19th century. He began his training as a lithographer under celebrated marine artist Fitz Henry Lane at Pendleton's Lithography shop in Boston. Most art historians consider him the founder of the "North Conway Colony" of painters who came to North Conway, New Hampshire and the surrounding area during the second half of the 19th century. His paintings were often used to make chromolithographs that were subsequently sold to tourists who could not afford Champney's originals. He exhibited regularly at the Boston Athenæum and was a founder of the Boston Art Club
Document 10: Menil Collection: The Menil Collection, located in Houston, Texas, USA, refers either to a museum that houses the private art collection of founders John de Menil and Dominique de Menil, or to the collection itself of approximately 17,000 paintings, sculptures, prints, drawings, photographs and rare books. While the bulk of the collection is made up of a once-private collection, Menil Foundation, Inc. is a tax-exempt, nonprofit, public charity corporation formed under Section 501(c)3 of the Internal Revenue Code. Additionally the Menil receives public funds granted by the City of Houston, the State of Texas, and the federal government through the National Endowment for the Arts. The museum's holdings are diverse, including early to mid-twentieth century works of Yves Tanguy, René Magritte, Max Ernst, Man Ray, Marcel Duchamp, Henri Matisse and Pablo Picasso, among others. The museum also maintains an extensive collection of pop art and contemporary art from Jackson Pollock, Andy Warhol, Mark Rothko, Robert Rauschenberg, Vija Celmins and Cy Twombly, Jr., among others. Also included in the museum's permanent collection are Antiquities and works of Byzantine, Medieval and Tribal art.
Document 11: Currier Museum of Art: The Currier Museum of Art is an art museum in Manchester, New Hampshire, in the United States. It features European and American paintings, decorative arts, photographs and sculpture. The permanent collection includes works by Picasso, Matisse, Monet, O'Keeffe, Calder, Scheier and Goldsmith, John Singer Sargent, Frank Lloyd Wright, and Andrew Wyeth. Public programs include tours, live classical music and "Family Days" which include activities for all ages.
Document 12: David Graham (photographer): David Graham (born 1952, Abington, Pennsylvania) is an American artist photographer and professor at the University of the Arts in Philadelphia. He currently lives and works in Newtown, Pennsylvania. Embracing popular forms of American photography (the snapshot, family portrait, and vacation photo), David Graham explores contemporary culture through the idiosyncratic nature of the American landscape. His work is in many collections, including the Museum of Modern Art, New York City; the San Francisco Museum of Modern Art; the Art Institute of Chicago; the Philadelphia Museum of Art; the George Eastman House, Rochester, New York; the International Center of Photography, New York City; and the Brooklyn Museum, New York. He is represented by the Laurence Miller Gallery in New York City and the PDNB Gallery in Dallas, Texas.
Document 13: Gregory Van Maanen: Gregory Van Maanen (born November 3, 1937, Paterson, New Jersey) is an artist who has been exhibiting work since 1988. He has had several solo shows at Cavin-Morris Gallery in New York as well as a solo show at Rutgers University. His work has been widely shown in group exhibitions and Van Maanen’s art is in the permanent collections of the New Orleans Museum of Art, First Bank of Minneapolis, National Vietnam Veterans Art Museum, New Jersey State Council of the Arts, Jersey City Museum, Morris Museum, and others.
Document 14: Smith College Museum of Art: The Smith College Museum of Art (abbreviated SCMA), connected with the well-known Smith College, is a prominent art museum in Northampton, Massachusetts. It is considered to be one of the most impressive college museums in the country. The museum is best known for its remarkable compilation of American and European art of the 19th and 20th centuries, including superb works by Edgar Degas, Jean-Baptiste-Camille Corot, Gustave Courbet, Paul Cézanne, Claude Monet, Georges Seurat, Albert Bierstadt, John Singer Sargent and others. First established in 1879, the collection has expanded to include nearly 25,000 works of art, including a diverse collection of non-Western art. It is also a member of the Museums10 collective, a consortium of art, science, and history museums in Western Massachusetts. The SCMA serves as an important cultural and educational resource for the communities of Smith College, the Five College Consortium, and the town of Northampton.
Document 15: Mort Künstler: Mort Künstler (born August 28, 1927) is an American artist known for his illustrative paintings of historical events, especially of the American Civil War. He was a child prodigy, who, with encouragement from his parents, became a skilled artist by the time he was twelve. Today he is considered the "best-known and most respected historical artist in the country."
ground_truth: Farnsworth Art Museum