Bildnis Bernhard Koehler, 1910
.jpg)
Bernhard Koehler (born 7 November 1849 in Berlin; died 30 March 1927 in Berlin) was a German industrialist and art collector.
Bernhard Koehler (born 7 November 1849 in Berlin; died 30 March 1927 in Berlin) was a German industrialist and art collector.