Edward Hull "Boss" Crump Jr. (October 2, 1874 – October 16, 1954) was an American politician from Memphis, Tennessee. Representing the Democratic Party, he was the dominant force in the city's politics for most of the first half of the 20th century, during which the city had a commission form of government. He also usually dominated Tennessee politics from the 1920s to the 1940s. He was elected and served as mayor of Memphis from 1910 to 1915 and again briefly in 1940. However, he effectively appointed every mayor who was elected from 1915 to 1954.