Frank William Calliss, 56 of Tempe, Arizona passed away at his home on July 3, 2018. He was born on January 1, 1962 in London, England. He earned a BS from the University of Ulster and a PhD from Durham University. Frank was a faculty member at Arizona State University and a Software Engineer for several companies. His interests included photography, music and scuba diving. He is survived by his wife Debra who will miss and love him all of her life. No formal services are planned. Please consider making a contribution to a charity of your choice in his memory. Richardson Funeral Home, Tempe, Arizona is compassionately serving the family.