Thomas Theodore Crittenden was a United States colonel during the American Civil War, and a Democratic politician who served as the 24th Governor of Missouri from 1881 to 1885.

The Office of the Missouri Attorney General was created in 1806 when Missouri was part of the Louisiana Territory. Missouri's first Constitution in 1820 provided for an appointed attorney general, but since the 1865 Constitution, the Attorney General has been elected. As of January 2023, there have been 44 attorneys general in Missouri.