The INTERNET Database of Periodic Tables
There are hundreds of periodic tables in web space, but there is only one comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Dr Mark R Leach.
Andreas von Antropoff's Periodic Table
The Andreas von Antropoff periodic table, restored by Philip Stewart on the basis of the article 'Eine neue Form des periodischen Systems der Elementen'. Zeitschrift für angewandte Chemie 39, pp. 722-725, 1926:
This formulation has a satisfying balance compared to most other tables and was the most popular wall-chart in German schools for many years but quickly disappeared after von Antropoff was disgraced in 1945 for his Nazi activities: he presided over the raising of the swastika over Bonn University in 1933. But he put science above politics and was a stout defender of Einstein's theories.
A recently restored wall version of the von Antropoff formulation from the University of Barcelona, origionally painted in 1934 (thanks to Philip Stewart & Claudi Mans):
Perhaps it was the disgrace of von Antropoff which led Linus Pauling to borrow his design, without acknowledgement, for his 1949 book, General Chemistry (and subsequently in later editions of The Chemical Bond).
The PT below is scanned in from Pauling's The Nature of The Chemical Bond, 3rd ed., 1960:
© Mark R. Leach 1999-
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