On December 7, 1857, French-born Belgian palaeontologist Louis Dollo was born. Dollo is best known for his work on dinosaurs. He also posited that evolution is not reversible, known as Dollo’s law. Together with the Austrian Othenio Abel, Dollo established the principles of paleobiology.

http://scihi.org/evolution-louis-dollo/

#paleobiology #historyofscience #dinosaurs #iguanodon #dolloslaw #otd