Ethel Merman was an American actress and singer renowned for her distinctive, powerful mezzo-soprano voice and leading roles in musical theatre. Dubbed the 'undisputed First Lady of the musical comedy stage,' she originated many iconic roles, including Reno Sweeney in 'Anything Goes' and Mama Rose in 'Gypsy'. Her career spanned over five decades on Broadway, in film, and on television, making her a legendary figure in American entertainment. Merman's booming delivery and commanding stage presence ensured that her performances were unforgettable and set a standard for Broadway belters.