Nearly 80 years after scientists at Oak Ridge National Laboratory discovered an extremely rare radioactive element called promethium, a team at the lab published a landmark study on the subject that ...
Dr. Lawrence Elgin Glendenin, devoted husband, father and grandfather, a chemist and co-discoverer of Promethium, element 61 on the periodic table of elements. Died on Nov. 22, 2008, at the age of 90.
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