swap_horiz E-an Zen Alternatives

1

Harry Hess

Harry Hammond Hess (1906–1969) was an American geologist and a professor at Princeton University. He served as an office...

American 20TH Century Historical Plate Tectonics

9.5 Brilliant

2

John Ostrom

John Ostrom (1928–2005) was an American paleontologist whose work fundamentally altered modern paleontology and evolutio...

American 20TH Century Historical Theropods

9.3 Excellent

3

Charles Richter

Charles Francis Richter was an American seismologist and physicist who spent most of his career at the California Instit...

American 20TH Century Historical Seismology

9.3 Excellent

4

Harlen Bretz

Harlen Bretz was an American geologist whose fieldwork in the early 20th century led to a radical theory about the forma...

American 20TH Century Historical Geomorphology

9.3 Excellent

5

Don Anderson

Don L. Anderson was an American geophysicist and seismologist who served as a professor at the California Institute of T...

American 20TH Century Historical Geophysics

9.2 Excellent

6

James Burleigh Thompson Jr.

James Burleigh Thompson Jr. was an American geologist whose research helped shape modern metamorphic petrology, the stud...

American 20TH Century Metamorphic Petrology Phase Petrology

9.2 Excellent

7

Maurice Ewing

Maurice Ewing was an American geophysicist and oceanographer who founded the Lamont Geological Observatory at Columbia U...

American 20TH Century Historical Geophysics

9.1 Excellent

8

John Imbrie

John Imbrie was an American paleoceanographer who significantly advanced the understanding of Earth's climate history. H...

American 20TH Century Historical Paleoclimatology

9.1 Excellent

9

Pentti Eskola

Pentti Eskola (1883–1964) was a Finnish geologist and professor at the University of Helsinki. He introduced the concept...

20TH Century Historical Finnish Metamorphic Petrology

9.1 Excellent

10

Robert Dietz

Robert Dietz (1914–1995) was an American geologist and oceanographer recognized for his contributions to marine geology...

American 20TH Century Historical Seafloor Spreading

9.0 Excellent

11

Francis Birch

American geophysicist (1903–1992) who applied high-pressure mineral physics to Earth's interior, proposing that the inne...

American 20TH Century Historical High Pressure

9.0 Excellent

12

Raymond Cecil Moore

Raymond Cecil Moore was an American geologist and paleontologist who lived from 1892 to 1974. He is best known for found...

American 20TH Century Historical Paleontology

8.9 Great

13

Bruce Heezen

Bruce Heezen (1924–1977) was an American oceanographer and marine geologist who worked at Columbia University's Lamont G...

American 20TH Century Historical Marine Geology

8.8 Great

14

George Tilton

George Tilton was an American geochemist who co-developed the uranium-lead (U-Pb) geochronology technique in the 1950s....

American 20TH Century Historical Geochemistry

8.7 Great

15

W.G. Ernst

W. Gary Ernst is an American geologist and metamorphic petrologist whose research has focused on high-pressure metamorph...

American 20TH Century Subduction Metamorphic Petrology

8.7 Great

16

David Johnston

David A. Johnston (1949–1980) was an American volcanologist with the United States Geological Survey. On May 18, 1980, h...

American 20TH Century Historical Volcanology

8.6 Great

17

Thomas Alfred Jaggar

Thomas Alfred Jaggar was an American volcanologist who founded the Hawaiian Volcano Observatory in 1912, establishing th...

American Hawaii 20TH Century Historical

8.5 Great

18

Julia Gardner

Julia Anna Gardner was an influential American geologist and paleontologist who worked extensively with the United State...

American 20TH Century Historical Paleontology

7.7 Good

19

Julia Anna Gardner

Julia Anna Gardner (1882–1960) was an American geologist and micropaleontologist who spent her career with the United St...

American 20TH Century Historical Usgs

7.5 Good

20

Donald Peterson

Donald Peterson was an American scientist recognized for his valuable contributions to geological research and the broad...

American 20TH Century Historical Usgs

4.9 Poor