 | Sir Archibald Geikie, OM, KCB, PRS, FRSE, was a Scottish geologist and writer. more » |
 | Count Ardito Desio was an Italian explorer, mountain climber, geologist, and cartographer. more » |
.jpg/205px-Arnold_Escher_vd_Linth_(cropped).jpg "Arnold Escher von der Linth") | Arnold Escher von der Linth was a Swiss geologist, the son of Hans Conrad Escher von der... more » |
 | Arnold Hague was a United States geologist who did many geological surveys in the U.S., of which... more » |
 | Arnold Henry Guyot was a Swiss-American geologist and geographer. more » |
 | Étienne Alexandre Arnould Locard, usually known as Arnould Locard, was a French naturalist,... more » |
 | Art Gilkey was an American geologist and mountaineer. more » |
| Sir Arthur Elijah Trueman, KBE FRS FRSE FGS, was a British geologist. more » |
 | Arthur Holmes FRS was a British geologist who made two major contributions to the understanding... more » |
| Arthur Lakes was a notable geologist, artist, writer, teacher and minister. He captured much of... more » |
.jpg/242px-Dr._Arthur_L._Day_LOC_npcc.06974_(cropped).jpg "Arthur Louis Day") | Arthur Louis Day was an American geophysicist and volcanologist. He studied high temperature... more » |
.svg/300px-Flussordnung_(Strahler).svg.png "Arthur N. Strahler") | Arthur Newell Strahler was a geoscience professor at Columbia University who in 1952 developed... more » |
 | Arthur Philemon Coleman was a Canadian geologist and academic. more » |
| Arthur Raistrick was a British geologist, archaeologist, academic, and writer. He was born in a... more » |
 | Arthur William Upfield was an Australian writer, best known for his works of detective fiction... more » |
 | Arturo Issel was an Italian geologist, palaeontologist, malacologist and archaeologist. He is... more » |
| Arville Irving Levorsen was an American geologist. He served as the dean of the School of... more » |
 | August Emanuel von Reuss, Austrian geologist and palaeontologist, was born at Bílina in Bohemia... more » |
 | Auguste Le Prévost was a French geologist, philologist, archaeologist and historian. While... more » |
 | Auguste Michel-Lévy was a French geologist. He was born in Paris. He became inspector-general of... more » |
 | Auguste Nicolas Pomel was a French geologist and paleontologist Pomel was born in Issoire. He... more » |
 | Augusto Gansser-Biaggi was a Swiss geologist who specialised in the geology of the Himalayas. He... more » |
| Austin Burton Edwards was an Australian geologist, winner of the Clarke Medal in 1960. Edwards... more » |
| Aziz Nacib Ab'Sáber was an environmentalist and one of Brazil´s most respected scientists,... more » |
