Special effects genius A.D. Flowers, who won Oscars for Tora! Tora! Tora! in 1970 and The Poseidon Adventure two years later, and who created explosions and other effects in dozens of movies and television shows, including the movies The Towering Inferno, The Godfather and Apocalypse Now, died on July 5 in Fullerton at the age of 84, the Los Angeles Times reported today.