

A foundational Canadian geologist whose pioneering experiments revealed how rocks form deep within the Earth's crust.
Frank Dawson Adams brought the rigorous methods of laboratory science to the ancient puzzle of the Earth's interior. Born in Montreal, he studied in Europe before returning to Canada, where he would spend most of his career at McGill University. Adams was not content with merely observing rocks; he wanted to recreate the conditions that made them. In a pioneering series of experiments, he used massive presses to subject limestone and other materials to immense heat and pressure, simulating the processes of metamorphism. This work provided some of the first experimental proof for how sedimentary rocks transform into marble and other metamorphic forms. His leadership extended beyond the lab, as he served as the longtime dean of McGill's faculty of science and played a key role in mapping the geology of Quebec, helping to identify its mineral wealth.
The biggest hits of 1859
The world at every milestone
Edison patents the incandescent light bulb
Eiffel Tower opens in Paris
Robert Peary claims to reach the North Pole
Treaty of Versailles signed; Prohibition ratified
Wall Street crashes, triggering the Great Depression
World War II begins; The Wizard of Oz premieres
Battle of Midway turns the tide in the Pacific
He was the first Canadian to be elected a Foreign Member of the Geological Society of London.
Adams was an avid book collector whose personal library on the history of geology was considered exceptional.
The mineral 'adamite' is named not for him, but for a different geologist, Gilbert Joseph Adam.
“We must recreate the Earth's depths here in the laboratory to understand them.”