John L. Neff died earlier this month at age 87. No cause was given.
Jack Neff began in radio in 1942 as an engineer, working at WOL(AM), in Washington. In 1959 Neff was one of the three founders of Broadcast Electronics, serving first as vice president of sales and later as president. BE was founded in Silver Spring, Md.; it later relocated to Illinois.
Later in his career, Neff bought DataWorld, which he operated from Bethesda, Md. Neff retired in 1993 when he sold DataWorld to BIA.
A Washington Post obituary is here.
He is survived by children John and Rosemarie, four grandchildren and one great-grandchild. A funeral service was held on June 10 and memorial contributions can be made to the National Kidney Foundation.