John Muir was a Scottish-American naturalist, environmental philosopher, glaciologist, botanist, zoologist, and author. Nicknamed Father of the National Parks and John of the Mountains, Muir was an influential proponent of the preservation of wilderness in the US. He is credited with co-founding the American conservation organization, The Sierra Club. Muir is considered a hero by many environmentalists around the world.

The pioneer of modern geology, James Hutton laid down the principle of uniformitarianism in geology. While he was initially interested in chemistry, he had later also studied law and had then moved on to medicine. His iconic Theory of the Earth explained the science behind rock formations.

Scottish geologist Iain Stewart once revealed in an interview that he initially struggled with the subject. A child actor, he later focused on academics and grew up to be a University of Plymouth professor and the UNESCO geoscience chair. He has also presented many BBC programs and been awarded an MBE.



British explorer and geologist Joseph Thomson was the first European to enter a large part of eastern Africa. His exploration eventually led to the mass colonization of Africa, known as the Scramble for Africa. He secured British mining and trade rights in Africa. Thomson’s gazelle is a type of east-African gazelle named after him.


Scottish physicist James David Forbes is best remembered for his research on glaciers and heat conduction and for his invention of the seismometer. A University of Edinburgh professor, he later won both the Rumford Medal and the Gold Medal of The Royal Society for his achievements.



