On April 2, 1647, the German naturalist and scientific illustrator Maria Sibylla Merian was born. Even though she is not very well known for her achievements, she made significant contributions to entomology through the observation and documentation of the metamorphosis of the butterfly.
R. Skenderović. Scrinia Slavonica : Godišnjak Podružnice za povijest Slavonije, Srijema i Baranje Hrvatskog instituta za povijest, 5 (1):
115--143(September 2005)