Signed Periodic Tables (IMAGE) DOE/Oak Ridge National Laboratory Caption UT-Battelle, the managing contractor of ORNL, is donating new charts of the periodic table to public middle and high schools in Tennessee to mark the discovery of the element tennessine. The charts are signed by Governor Bill Haslam and ORNL Director Thom Mason. Credit Oak Ridge National Laboratory, U.S. Dept. of Energy Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.