Saturn,an alligator of international intrigue,age 84,died at the Moscow Zoo.That in itself made Saturn unusual.In the wild,the normal life span for an alligator is 30 to 50 years.But longevity was the least unusual aspect of Saturn's biography.Saturn was born in the wild somewhere in Mississippi in 1936 and was shipped to the Berlin Zoo from which he disappeared on November 23,1943 in an allied air bombing campaign on Berlin.One bomb directly struck the zoo's aquarium.