Lothar Collatz
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Lothar Collatz was a German mathematician, born in Arnsberg, Westphalia.
Lothar Collatz (Photo courtesy MFO)
Lothar Collatz in 1984
Arnsberg
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Arnsberg is a town in the Hochsauerland county, in the German state of North Rhine-Westphalia. It is the location of the Regierungsbezirk Arnsberg administration and one of the three local administration offices of the Hochsauerlandkreis district.
Arnsberg
Propsteikirche
Jewish cemetery
Statue Franz von Fürstenberg in Münster