Premieres Wednesday, August 19, 2015, 8:00-11:00 p.m. ET on PBS.
Dmitri Mendeleev’s grasp of chemistry was so legendary that he accurately predicted the properties of three elements before they were discovered. But the “father of the Periodic Table” never accepted the properties of radium. Other scientists said radium glowed in the dark because it was changing into other elements – an idea that flew in the face of Mendeleev’s belief that elements were eternal.