Described on his parents' death certificates as a businessman in Kattowitz.
Listed in the 1910 Kattowitz address book as proprietor of "L. Borinski, kolonialwaren en gros" at Grundmannstrasse 3 with an Ernst Borinski (presumably his brother). Rudolf and Ernst are both listed as living in or owning August Schneiderstrasse 4 in 1910 and 1914.
Sources (click here for generic source information)
This record was last updated on 18/11/2019 at 15:15