Amos W. Barber was born in Doylestown, Bucks County, Pennsylvania, April 26, 1861. Barber obtained an academic education from the literary and medical departments of the University of Pennsylvania. After graduating Dr. Barber worked as staff physician at the Pennsylvania Hospital from 1883 until he came to Wyoming in 1885 as surgeon in charge of the military hospital at Fort Fetterman. Promoted to acting surgeon in the United States Army, Barber accompanied General Crook's expedition to Arizona. Later he was assigned to duty at Fort D. A. Russell and after resigning from the service, opened up a medical practice in Cheyenne. After joining the Republican Party, Barber was elected Secretary of State in September 1890 and served until January of 1895. Secretary Barber's term was interrupted while he served as Acting Governor from November 24, 1890 until January 2, 1893. He was assistant surgeon in the United States Army during the Spanish American War in 1898 and returned to Cheyenne after that conflict. Amos W. Barber died May 19, 1915 and was buried in Cheyenne.
Term as Governor: Monday, November 24, 1890 - Monday, January 02, 1893.