Justin Carisio, of Wilmington, Delaware, is the company historian at DuPont, where he has worked as an executive speech writer for more than 30 years. He is a volunteer at Antietam...показать большеJustin Carisio, of Wilmington, Delaware, is the company historian at DuPont, where he has worked as an executive speech writer for more than 30 years. He is a volunteer at Antietam National Battlefield and holds degrees from La Salle University and The Johns Hopkins University.показать меньше