James B. Walker ’66 PhD

James B. Walker ’66 PhD, of Wilmington, Del.; Dec. 4. In 1967 he accepted a position as a research engineer in the plastics division of E.I. DuPont de Nemours Inc. in Wilmington. During his career at DuPont, he worked on numerous projects, including the development of Lucite and the plastic used for disposable drinking bottles. He spent several years in the United States and France working with partners in the fresh juice and wine industries, helping to extract sugar using membrane technology he invented. While at DuPont, he was honored to be named Research Fellow. He retired in 1991 to begin a second career as CFO and mechanical engineer of Designer Stencils—a design, manufacturing, and retail/wholesale company founded by his wife. His expertise enabled the family business to develop a customized cutting process and to serve retail and wholesale customers worldwide for more than 40 years. During the Korean War he served in the U.S. Air Force. He is survived by his wife, Helen; two daughters; a son-in-law; and four grandchildren.