In 1627, the Manchu invasions began, and he was sent to Ganghwa Island to assist in its defense, but by the time he arrived, a treaty had already been signed.
His life was dramatized in the award-winning 2002 film Chi-hwa-seon directed by Im Kwon-taek.
John Straub was the Special Assistant to the President and Director of the White House Office of Administration in the Executive Office of the President (EOP) until September 2006.