Discovery of Thomas Jefferson at University Teaches Researchers About Science00CopyFacebookXTruthGettrLinkedInTelegramEmailSavePrintA chemical hearth recently discovered in the walls of the Rotunda dates back to its Jeffersonian origins. Dan Addison / University of VirginiaThe Associated Press10/16/2015|Updated: 10/16/2015Dan Addison / University of VirginiaWe had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.Share this articleLeave a commentThe Associated PressAuthorAuthor’s Selected ArticlesPresident Trump’s Granddaughter Gets Exemption to LPGA TournamentOct 28, 2025Blue Jays Even World Series With 6-2 Win Over Dodgers in Game 4Oct 28, 2025How Major US Stock Indexes Fared Oct. 28Oct 28, 2025World’s Oldest President, Paul Biya, Wins Cameroon Election at 92Oct 28, 2025