Kenneth P. Stein, 98, of Naples, Fla., formerly of Holyoke, Mass., died August 1. He was the husband of Marion Pincus Stein. He was the son of the late Max and Sarah Kirle Stein. He was a first lieutenant and air observation pilot during World War II. In addition to his wife, he is survived by his daughters Margo Stein, Kathie Stein, and Susan Stein-Black and her husband John Black; his granddaughter Jasma Rose Gurung Stein; his sister-in-law Leone Stein; and many nieces and nephews. He was also predeceased by his brother Lloyd Stein.