Arthur Athan Mastor, 73, of Sedona, Arizona passed away on Friday, April 1st at the Infinia Nursing Home in Cottonwood, Arizona. He was born in Fredonia, New York on January 12, 1932. Mr. Mastor was a veteran of the Korean War having served in the United States Navy. He earned a Bachelor\u0027s Degree of Science from UCLA and a Master\u0027s Degree in Business Administration from USC. In 1992 he retired from Hughes Aircraft in California where he had been a financial analyst. Mr. Mastor enjoyed gardening, tennis and coaching youth sports. He is survived by his wife of 46 years Helen; a son Eric from Seattle, Washington, a daughter Elena from Los Angeles, California, his parents Athan and Kaliope Mastor of Fredonia, New York, two brothers, John of Sierra Vista,Arizona and Anthony of Belaire, California, and two grandchildren. A sister, Evy preceded him in death. On Saturday, April 9th beginning at 3:00 P.M. family and friends are invited to the Mastor Family Residence for a Celebration of Life. On Friday, April 22nd, Mr. Mastor will be inurned at the National Memorial Cemetery Of Arizona. Westcott Funeral Home of Cottonwood, assisted with arrangements.