About Rudy Vallée
Hubert Prior Vallée, known professionally as Rudy Vallée, was an American singer, musician, actor, and radio host. He was one of the first modern pop stars of the teen idol type. Navy authorities discovered he was only 15 years old. He became one of the first crooners. Vallée was given a recording contract, and in 1928 he started performing on the radio, first at New York station WABC, leading his Yale Collegians Orchestra, and then on WEAF and the NBC Red Network beginning in February 1929.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.