What is the name of the paleontologist and professor who influenced Porter Sargent?
Nathaniel Shaler Nathaniel Southgate Shaler (February 20, 1841 – April 10, 1906) was an American paleontologist and geologist who wrote extensively on the theological and scientific implications of the theory of evolution.
Albert George Long Dr Albert George Long FRSE LLD (1915-1999) was a British educator and palaeobotanist. He was an expert on the Lower Carboniferous period. He was creator of the Cupule-Carpel Theory.