Robert Orville Anderson, American businessman, founded Atlantic Richfield Oil Co. (d. 2007)
Robert Orville Anderson (April 13, 1917 – December 2, 2007) was an American businessman, art collector, and philanthropist who founded Atlantic Richfield Company (ARCO). Anderson also supported several cultural organizations, from the Los Angeles County Museum of Art to Harper's Magazine. He died December 2, 2007, at his home in Roswell, New Mexico.Anderson turned ARCO into the United States' sixth-largest oil company by the time he left in 1986 to pursue other interests. He was by then the largest individual landowner in the United States, with ranches and other holdings in Texas and New Mexico amounting to some 2,000 square miles (5,200 km2) and a personal fortune estimated at $200 million.