William A. Jayne was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 physician and statesman. He served as Governor of the Dakota Territory

Dakota Territory

The Territory of Dakota was an organized incorporated territory of the United States that existed from March 2, 1861, until November 2, 1889, when the final extent of the reduced territory was split and admitted to the Union as the states of North and South Dakota.The Dakota Territory consisted of...

 and as the territory's delegate to the United States House of Representatives

United States House of Representatives

The United States House of Representatives is one of the two Houses of the United States Congress, the bicameral legislature which also includes the Senate.The composition and powers of the House are established in Article One of the Constitution...

 during the American Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

.

William was born in Springfield, Illinois

Springfield, Illinois

Springfield is the third and current capital of the US state of Illinois and the county seat of Sangamon County with a population of 117,400 , making it the sixth most populated city in the state and the second most populated Illinois city outside of the Chicago Metropolitan Area...

. He attended Illinois College

Illinois College

Illinois College is a private, liberal arts college, affiliated with the United Church of Christ and the Presbyterian Church , and located in Jacksonville, Illinois. It was the second college founded in Illinois, but the first to grant a degree . It was founded in 1829 by the Illinois Band,...

 in 1844 where he was a founding member and served as first president of Phi Alpha Literary Society

Phi Alpha Literary Society

Phi Alpha is a men's Literary Society founded in 1845 at Illinois College in Jacksonville, Illinois. It conducts Business Meetings, Literary Productions, and other activities in Beecher Hall, the oldest college building in the state of Illinois....

. He formed part of the three man committee that prepared the society's constitution. He graduated in medicine from the University of Missouri

University of Missouri

The University of Missouri System is a state university system providing centralized administration for four universities, a health care system, an extension program, five research and technology parks, and a publishing press. More than 64,000 students are currently enrolled at its four campuses...

 in 1849.