Iraklis Mitsopoulos (Greek: Ηρακλής Μητσόπουλος; 1816–1892) was an author, biologist, archaeologist, physicist, zoologist, paleontologist, mineralogist, geologist, and professor. He is considered the father of modern natural sciences in Greece. He taught classes for over forty-seven years of his life. His nephew world renowned Greek geologist Konstantinos M. Mitsopoulos became the first student to receive a doctorate degree in the natural sciences at the University of Athens. His son Maximos Mitsopoulos also became a geologist. Hercules co-founded the Museum of Physical Geography in Athens, Greece, and directed its Zoological Department. He was the founder and lifelong President of the Zoological Department at the Museum of Paleontology, Geology, Zoology, and Botany (Παλαιοντολογικό, Γεωλο