Wayne Howell, 72, longtime NBC television and radio announcer, died suddenly July 8 in Pompano Beach, Fla.Howell, whose real name was Wayne Chappelle, worked for NBC for 39 years in New York. He was the announcer for the Miss America Pageant in Atlantic City from 1966 to 1985. From 1969 to 1973, he was the announcer for the gameshow “Concentration.” He also worked on the original “Broadway Open House,” the first of the latenight entertainment shows, which later became “The Tonight Show.” He also performed occasionally in small theaters in New York. Howell served on the board of governors for the National Academy of Arts & Science and the Screen Actors Guild. Survived by his wife, Thelma; a son, Bill; three stepchildren and three stepgrandchildren.