1911 – Leonard Warenov, born on the 21st of April to Russian parents in the Bronx of New York.
1935 – His father wished to employ him as a businessman in his fur company, but he entered the choir of the Radio City Music Hall.
1938 – He entered the Metropolitan Opera Auditions of the Air.
1939 – In January, he made his Met debut as Paolo in Verdi’s Simon Boccanegra, opposite stars like Lawrence Tibbett, Ezio Pinza , Giuseppe Martinelli and Elisabeth Rethberg.
1942 – He took over Tibbett’s roles (the older singer was experiencing a vocal decline) and appeared as Simon Boccanegra, Rigoletto (he sang the role 88 times), Iago, Don Carlo, Tonio, Amonasro, Valentin and Escamillo among many others.
1944 – He also sang the role in a Madison Square Garden Red Cross benefit concert.
1953 – He appeared at La Scala in Milan.
1958 – He made a highly successful tour of the Soviet Union, but for most of his career he remained in New York and sang at the Met.
1960 – He collapsed during a performance of La Forza del Destino and died on the 4th of March of a heart attack on stage.