Career
Between 1904 and 1953 Drenowski wrote 77 scientific papers on the butterflies of Bulgaria.His most significant work was on the butterflies of the Bulgarian high mountains Rila, Pirin, Rhodope and Stara Planina.
Between 1904 and 1953 Drenowski wrote 77 scientific papers on the butterflies of Bulgaria.His most significant work was on the butterflies of the Bulgarian high mountains Rila, Pirin, Rhodope and Stara Planina.
