Identity:
Professor Julius Timoleon Ducatel, chemist, was the father-in-law of JW's half-brother, George William Whistler.
Bibliography:
http://www.famousamericans.net (accessed 2004).
Julius Timoleon Ducatel, 1796-1849
Nationality: American
Date of Birth: 1796.06.06
Place of Birth: Baltimore, MD
Date of Death: 1849.04.23
Place of Death: Baltimore