December 7th
- Louis Antoine Marie Joseph Dollo was a French vertebrate paleontologist who stated Dollo’s Law of Irreversibility whereby in evolution an organism never returns exactly to its former state such that complex structures, once lost, are not regained in their original form.
- He supervised the excavation of the famous, multiple Iguanodons found in 1878 by miners deep underground, at Bernissart, Belgium
