Percy M. Butler
British paleontologist
Percy Milton Butler was a British zoologist and palaeontologist. He proposed that dental characters are expressed in morphogenetic gradients along the dentition, which could therefore be used to study evolution. This became known as Butler's Field... Wikipedia
Born: July 19, 1912, Lewisham, London, United Kingdom
Died: February 7, 2015 (age 102 years)
Award: Romer-Simpson Medal
Research interests: Zoology, Palaeontology, and Dental Evolution