Dr. Cantrell, III, Cyrus Duncan Deceased June 19th, 2013, in Plano, TX; born October 4, 1940, in Bartlesville, OK. Son of Janet Ewing Robinson & Cyrus Duncan Cantrell, Jr., he is preceded in death by his parents and his daughter, Sarah Montgomery Marple-Cantrell. Cy is survived by his wife of 40 years, Mary Lynn Marple, and his daughter, Katherine Anne (Kate) Marple-Cantrell. Memorial services for Cy, 72, will be held 2:30 p.m. Wednesday, June 26, at Restland Funeral Home and Cemetery, 13005 Greenville Avenue in Dallas. Visitation will be held 6 to 8 p.m. Tuesday, June 25, at Restland. In Lieu of flowers, memorials may be made to the Sarah Montgomery Marple-Cantrell Memorial Scholarship for Women in Engineering at the University of Texas
at Dallas. Since 1964, Cy made contributions to the fields of quantum electronics, applied optics and photonics. A university professor for 39 years, Cy received his Bachelor's degree from Harvard University
and his Master's and Ph.D. degrees from Princeton University
in Physics. His first academic position was in the physics department at Swarthmore College. After receiving tenure there, he left for a position at Los Alamos National Laboratory. In 1980, he served as visiting professor at the Universite Paris-Nord and then joined the faculty at UT-Dallas. His dual interests in computation and mathematics led to his publication of a textbook, Modern Mathematical Methods in Physics and Engineering. Teaching was an extremely important and satisfying part of his career. He also holds four technical patents, and he served as an Expert Witness on legal cases related to intellectual property and optical issues. Cy was a licensed Professional Engineer in the state of Texas. His academic honors include becoming a Fellow of the Optical Society of America, the American Physical Society and the Institute of Electrical and Electronics Engineers (IEEE), which honored him with the Third Millennium Medal in 1980, an award given for outstanding contributions in a person's area of activity. He was a Life Fellow of IEEE and the American Physical Society. Cy filled his free time with a myriad of personal interests. His hobbies included computers, backpacking, photography, cooking, languages, history, and traveling. Friends will remember Cy for his lively conversation over gourmet dinners and his endless, detailed knowledge about a variety of topics. He was a powerful intellectual, but he could relate his knowledge in a down-to-earth way, which made him an excellent teacher. He adored his family and enthusiastically supported their interests. Cy was an extraordinarily caring husband, father, friend, teacher and mentor. He will be missed dearly by all.