John S. Kittson was an American businessman and politician known for his significant contributions to the development of the northern United States during the 19th century. He played a key role in the expansion of the railroad system, which facilitated trade and transportation in the region. Kittson was also involved in various ventures, including lumber and steamboat operations. In addition to his business endeavors, Kittson served in the Minnesota legislature, where he advocated for policies that supported economic growth and infrastructure development. His efforts helped shape the economic landscape of the area, making him a notable figure in the history of Minnesota and the broader northern frontier.