William E. Riley Jr. of Chapel Hill died peacefully April 22. He was 78.He was born in Youngstown, Ohio, and spent 34 years at Battelle Memorial Institute in Columbus, Ohio, retiring at in 1987 to take a position as president of Tulco in the Research Triangle Park. He retired from Tulco in 1997. He was president of the Licensing Executive Society during the 1980-81 term.A memorial service will be held April 28 at 2 p.m. at St. Thomas More Catholic Church in Chapel Hill. Survivors his wife, Mary B. Riley; five children, Mary Lynn, Ann, Jean, Patrick and Michael; a brother, James Riley; a sister, Patricia McCormack.Memorial contributions may be sent to the Alzheimer's Foundation, 400 Oberlin Road, Suite 200, Raleigh, N.C. 27605.