John Harrison Surratt Jr. was an American Confederate spy who was accused of plotting with John Wilkes Booth to kidnap U.S. President Abraham Lincoln; he was also suspected of involvement in the Abraham Lincoln assassination. His mother, Mary Surratt, was convicted of conspiracy by a military tribunal and hanged; she owned the boarding house that the conspirators used as a safe house and to plot the scheme.

Rufus King was an American newspaper editor, public servant, diplomat, and soldier. He served as a Union Army brigadier general in the American Civil War, and was responsible for assembling the famed Iron Brigade of the Army of the Potomac. He was later U.S. minister (ambassador) to the Papal States from 1864 to 1867 and was instrumental in the capture of accused Lincoln assassination plotter John Surratt. Earlier in life, he had been a member of the first board of regents of the University of Wisconsin.