William Thomson, 1st Baron Kelvin William Thomson, 1st Baron Kelvin William Thomson, 1st Baron Kelvin, (26 June 1824 – 17 December 1907) was a Scots-Irish mathematical physicist and engineer who was born in Belfast in 1824. At the University of Glasgow he did important work in the mathematical analysis of electricity and formulation of the first and second laws of thermodynamics, and did much to unify the emerging discipline of physics in its modern form. He worked closely with mathematics professor Hugh Blackburn in his work. He also had a career as an electric telegraph engineer and inventor, which propelled him into the public eye
Mormonism in the 19th century In its remote settlement, the church governed civil affairs and made public its practice of plural marriage (polygamy). As the federal government asserted greater control over Utah, relations with the Mormons enflamed, leading to the Utah War and the Mountain Meadows Massacre. Mormon polygamy became a major political issue, with federal legislation and judicial rulings curtailing Mormon legal protections and delegitimizing the church. Eventually, the church issued a manifesto discontinuing polygamy, which paved the way to Utah statehood and realignment with mainstream American society. Mormonism in the 19th century This is a chronology of Mormonism. In the late 1820s, founder