DREYFUSS, William Chester, an Arizona native and Metallurgist died on September 27, 2017. Having been born in Tucson, his family later moved to another ranch in Cochise County, Arizona. His parents, Thomas and Bette Dreyfuss preceded him in death. He is survived by his sisters, Joni, Fay Nordwick and her daughter, Delci Nordwick; nephews, Thomas and Cameron and niece, Morgan Nordwick; brother, Joe Dreyfuss and his family and brother, Chad Borseth. Bill is survived also by his partner and friend, Kay Biddlecome. Bill graduated in 1979 from Montana College of Mineral Science and Technology in Butte, MT. He worked for various mines in Alaska, Nevada and Arizona as a metallurgist. He returned to AZ in 1999 to assist his elderly parents with the ranch. He worked for the Pima County Industrial Wastewater Management Control. Bill was a calm, gentle soul who is very missed by his family and friends. A Memorial Service will be held at 11:00 a.m. on Saturday, October 14, 2017 at DESERT SUNSET FUNERAL HOME, 3081 W. Orange Grove Rd.