How Did Dimitri Nabokov Die?

Dmitri Vladimirovich Nabokov was an American opera singer and translator. Born in Berlin, he was the only child of Russian parents: author Vladimir Nabokov and his wife Véra; they emigrated to the United States from France in 1940. He later was naturalized. In his later years, Nabokov translated many of his father's works into other languages, and served as the executor of his father's literary estate.