Mercy Hospital and Medical Center now called Insight Hospital and Medical Center Chicago is a 414-bed general medical and surgical Catholic teaching hospital in Chicago, Illinois. Established in 1852, the hospital was the first chartered hospital in Chicago. In 1859, Mercy Hospital became the first Catholic hospital to affiliate with a medical school—Lind Medical School—and the first to require a graded curriculum.

John Flammang Schrank also known as Johann, was a German-American tavern owner from Bavaria who attempted to assassinate former President Theodore Roosevelt outside of the Gilpatrick Hotel in Milwaukee on October 14, 1912. Schrank was a wealthy man who claimed to have visions telling him that he had to stop Theodore Roosevelt from being elected to a third term as President of the United States. His assassination attempt was not successful; he was captured after shooting Roosevelt and adjudicated insane.