Notable Geologists Posters “H...-M...-”
for geology science classrooms and homeschoolers.

John Stevens Henslow
James Hutton

Johann Gottlob Lehmann
Sir Charles Lyell

John Stevens Henslow
b. 2-6-1796; Rochester, Kent, England
d. 5-16-1861; Hitcham

Henslow, whose passion for plants overcame his interest in rocks, was an influential botany professor at Cambridge. Henslow's student was Charles Darwin, with whom he had a life long friendship; he was also a correspondent of John James Audubon who named a sparrow for Henslow.

James Hutton
b. 6-14-1726; Edinburgh, Scotland
d. 3-9-1847; Edinburgh

James Hutton, the father of modern geology, was also a physician, naturalist, and experimental agriculturalist. Hutton developed the idea of “deep time”, proposing that geological evidence indicated the Earth was much older than his contemporaries thought, and that the Earth was really a living “superorganism”, changing through time.

Johann Gottlob Lehmann, German Geologist, Giclee Print

Johann Gottlob Lehmann
b. x8-4-1719; Langenhennersdorf, Saxony (Germany)
d. 5-13-1767; St. Petersburg, Russia

Geologist, mineralogist and professor Johann Gottlob Lehmann is noted for his study of the geologic record leading to the specialized field of stratigraphy, or the study of rock layers.

Sir Charles Lyell
b. 11-14-1797; Kinnordy, Forfarshire, Scotland
d. 2-22-1875; London

Charles Lyell, best remembered for popularizing the work of James Hutton in his book The Principles the Geology, was also a close friend of Charles Darwin, as well as a lawyer.

Gideon Algernon Mantell
b. 2-3-1790; Lewes, Sussex, England
d. 11-10-1924; London

Physician Gideon Mantell showed interest in geology as a child which he carried into his adult life, and was the beginning of the study of dinosaurs.

Roderick Murchison
b. 2-22-1792; Muir of Ord, Ross-shire, Scotland
d. 10-22-1871

Geolgoist Roderick Murchison founded the chair of geology and mineralogy at the University of Edinburgh.