to Cordova, Alaska in the 1970s where it now serves Mount Eyak Ski Area as the oldest operating charlift in the world. The U.P. chairlift design was adapted by an engineer recalling banana loading conveyor equipment used for tropical fruit ships' cargo. Single-seat chairlifts were developed at the U.P. headquarters in Omaha in the summer of 1936. The chairlift went on to replace primitive rope tow and other adaptations seen at ski areas at the time. The original Proctor Mountain Ski Lift is listed on the National Register of Historic Places. Celebrities Author Ernest Hemingway completed For Whom the Bell Tolls, while staying in suite 206 of the Lodge in the fall of 1939. Averell Harriman had invited Hemingway and other celebrities, primarily from Hollywood, to the resort to help promote it. Gary Cooper was a frequent visitor and hunting/fishing partner, as were Clark Gable, Errol Flynn, Lucille Ball, Marilyn Monroe, and several members of the Kennedy family. Hemingway was a part-time resident over the next twenty years, eventually relocating to Ketchum ("Papa" and his fourth wife are buried in the Ketchum Cemetery). The Hemingway Memorial, dedicated in 1966, is just off Trail Creek Road, about a mile northeast of the Sun Valley Lodge. You can still visit a number of locations that have Hemingway ties, including the Ketchum Cemetery. Sun Valley was featured (and promoted) in the 1941 movie Sun Valley Serenade, starring Sonja Henie, John Payne, Milton Berle, and bandleader Glenn Miller. Scenes were shot at the resort in March 1941. Sun Valley transfer local and future gold medalist Gretchen Fraser was the skiing stand-in for Henie. In February 1958, the cast of "I Love Lucy" filmed an episode of their follow-up series of hour-long specials, known in syndication as "The Lucy-Desi Comedy Hour", at Bald Mountain. In 1971, Apollo 15 astronaut and avid skier Jim Irwin, when stepping upon the surface of the Moon's Hadley–Apennine, exclaimed that it was like Sun Valley. Adam West who played Batman on television had a ranch in the area. Other notable residents have included Scott Glenn, Richard Dreyfuss, Clint Eastwood, Sondra Locke and Janet Leigh. Sun Valley's oldest resident was former actress and silent movie star Barbara Kent. Another resident was actress Ann Sothern. Hollywood actor, politician, and businessman, Arnold Schwarzenegger is a frequent visitor of Sun Valley and owns a residence in Ketchum, ID. He has a ski run named