Marilyn Monroe was an American actress and model who became one of the most iconic and enduring symbols of Hollywood glamour. She was born in 1926 and began her career as a model before transitioning to acting. Monroe's breakthrough role was in the 1953 film "Niagara," and she went on to star in a number of successful films, including "Gentlemen Prefer Blondes," "The Seven Year Itch," and "Some Like It Hot." She was known for her beauty, her sex appeal, and her distinctive blonde hair and breathy voice. Monroe died in 1962 at the age of 36.