WALNUT CREEK, Calif. – Mohamed El-Wakil, age 91, a resident of Madison for nearly 60 years, died June 10, 2012, in Walnut Creek, Calif., where he had moved in 2005. He was born in Alexandria, Egypt in 1921. He graduated from the University of Cairo in 1943 and was awarded a scholarship in mechanical engineering to study in the U.S. but was not allowed to travel until after World War II. Egypt sent him to the University of Wisconsin-Madison where he earned a Ph.D. in 1949. In 1952, he joined the faculty of UW-Madison. He continued to teach in the Departments of Mechanical and Nuclear Engineering until he was 80 with the exception of 4 1/2 years in the 1980s when he served as Chairman of Engineering and Computer Science at American University in Cairo.