>I think I know a person who made a great contribution: Ludwig Armbruster. He was a priest but also a scholar. In 1919 he published a book "Bienenzüchtungskunde" (the art of bee
breeding in genetic sense). 

Thanks so much Ko de Witt for responding.  Sometime
ago ‘if I recall correctly’ it was a topic of researching 
the fascinating world distribution of bees, I believe 
several of the documents cited Bienenzüchtungskunde.
My research into Bienenzüchtungskunde was abandoned
because I could not find a translation of this work.
If a biographical sketch of Ludwig Armbruster exists,
this would be a valuable addition to the Historical
Honeybee Articles archives. 

Best Regards
J. Waggle

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