Tags: Entomologist.
Czesław Marian Bieżanko (November 22 1895 in Kielce – 1986 in Pelotas Brazil) was a Polish entomologist and recognized authority on South American butterflies.He was professor of the College of Agronomy in the city of Pelotas (currently Universidade Federal de Pelotas and Doctor Honoris Causa of the Agricultural Academy. Bieżanko established the generic classification of butterflies.