F. Otway Denny Jr., the owner of Little Professor Bookstore, died Monday [October 8, 1990] of a heart attack at Southern Baptist Hospital. He was 69. Mr. Denny was a lifelong resident of New Orleans. He graduated from Tulane University. He was a member of the American Legion Ed Brauner Post No. 307, the Round Table Club, the Audubon Gulf Club and the Beau Chene Country Club. He served in the Marines during World War II. He is survived by his wife, Nell Rogge Denny; two sons, F. Otway Denny III and R. Lee Denny; a daughter, Anne Lips; two sisters, Marie Louise Buffington and Barbara Kerr of Liberty, Texas; and six grandchildren. A private service and burial will be held Thursday. The House of Bultman Funeral Home Is In charge of arrangements.