Gerald Nicosia is an American author, historian, and literary critic born in 1949. He is renowned for his extensive work on the Beat Generation, particularly his definitive biography of Jack Kerouac. His acclaimed book "Memory Babe: A Critical Biography of Jack Kerouac" is considered one of the most authoritative works on Kerouac's life and literary legacy. Nicosia has dedicated his career to studying and documenting American postwar literature and culture.