Charles Harting Percy, known as Chuck Percy, was an American businessman and politician. He was president of the Bell & Howell Corporation from 1949 to 1964. In 1966, he was elected to the United States Senate from Illinois as a Republican; he served for three terms until 1985, when he was defeated by Paul Simon. He was mentioned as a GOP presidential hopeful from 1968 through 1988. During his Senate career, Percy concentrated on business and foreign relations.
One of his twin daughters, Valerie Percy, was murdered at age 21 in her bedroom in the family home in Kenilworth, Illinois, near Chicago, during his senatorial campaign in 1966. The murder was never solved. Percy died the day before the 45th anniversary of her death.