Daily Archives: November 29, 2017


December 7 marks the passing of Walter Noddack. Noddack was a German chemist who searched for two elements missing from Mendeleev’s periodic table. The two blank placeholder elements appeared underneath manganese called eka-manganese and dvi-manganese. (eka means 1 and dvi means 2 in Sanskrit). Together with Ida Tacke (who would […]

Today In Science History – December 7 – Walter Noddack