John Adams King was an American politician and member of the Democratic Party. He served as the 12th Governor of Utah from 1886 to 1890. King was known for his efforts to promote economic development and improve infrastructure in the state during his tenure. Born in 1838 in New York, King moved to Utah in the mid-19th century. He was involved in various business ventures and held several local government positions before becoming governor. His administration focused on issues such as education and public works, contributing to the growth of the territory during a pivotal time in its history.