Leslie Andrew Miller was born in Junction City, Kansas on January 29, 1886. His parents moved to Denver and then Laramie, Wyoming, where he attended the public schools. He worked for the Union Pacific and CB and Q railroads, Cheyenne Daily Leader, a Casper oil company, the State Land Office, the Fuel Administration Division and the Internal Revenue Service. He enlisted in the U.S. Marine Corps and served July 1918 to January 1919. In the 1920s he engaged in the distribution of oil products and became president of the Aero Oil Company and later the Chief Oil Company. Miller was active in the Democratic Party. He served in the state legislature in 1911, 1923, 1927, 1929 and 1944. He ran unsuccessfully for governor in 1930 but was elected governor in 1932 to finish the last two years of Governor Emerson's term. He was re-elected in 1934 but defeated in 1938. During the 1940s, he served on the Democratic National Committee from 1940, the War Production Board, and the Hoover Commission's Task Force on Natural Resources. In 1909 he married Margaret Morgan in Laramie. They had two children (Katherine and John). Hunt died on September 29, 1970 in Cheyenne, Wyoming.