Richard William Coyne, 73, passed away on April 5, 2018. Richard graduated with honors from the University of Illinois-Urbana, where he received his B.S. in chemical engineering. He later served as a Peace Corps volunteer, teaching mathematics and general science at a Teacher Training College in Ghana. Upon his return to the States, he taught high school math in the Windy City, spent 20 years of marketing and sales career at AG Communications and then joined the faculty at ASU in 2002, where he taught undergraduate coursework in calculus, finite mathematics, and math for business analysis. He retired from ASU in 2015. Richard is survived by two sons, two brothers and three sisters. He is preceded in death by his wife Ellouise Coyne (nee Murphy). A visitation will be held on Wednesday, April 11, 2018 from 5-8:00 pm with a rosary beginning at 7:00 pm at Heritage Funeral Chapel, 6830 W Thunderbird Rd, Peoria AZ 85381. A funeral mass will be held on Thursday, April 12, 2018 at 10:00 am at St Thomas More Catholic Church, 6180 W Utopia Rd, Glendale AZ 85308. In lieu of flowers the family requests donations be made in Richard's name to the Sickle Cell Society . Further services and interment will be held in Chicago at a later date.