Forgotten Scientists

Discover the hidden heroes of science from around the world

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Discover overlooked researchers and the ideas that changed our world.

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Browse scientists by field, country, or century. Click on a card to learn more.

Ellen Henrietta Swallow Richards

Ellen Henrietta Swallow Richards

Ellen Swallow Richards was the first woman to graduate from Massachusetts Institute of Technology (MIT) and a pioneer of sanitary chemistry and home economics.

ChemistryUnited States19th - early 20th (1842-1911)
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Chien - Shiung Wu

Chien - Shiung Wu

Chien - Shiung Wu was a Chinese - American experimental physicist whose 1956 "Wu experiment" definitively showed that weak interactions violate parity symmetry - a breakthrough that reshaped particle physics. She also contributed to the uranium - enrichment process during the Manhattan Project.

PhysicsChina20th (1912-1997)
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Nettie Maria Stevens

Nettie Maria Stevens

Nettie Stevens was a pioneering American geneticist. In 1905 she published research showing that in mealworms (and later in other insects), the presence of a small "Y" chromosome - paired with a larger one - determined male sex, while two larger chromosomes produced female offspring. This was the first clear link between chromosomes and sex determination.

GeneticsUnited States19th - early 20th (1861-1912)
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Julius Robert von Mayer

Julius Robert von Mayer

Julius Robert von Mayer (1814-1878) was a German physician and physicist whose 1842 work laid down one of the earliest clear statements of energy conservation - the idea that energy cannot be created or destroyed, only transformed.

PhysicsGermany19th (1814-1878)
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Elizabeth Langdon Williams

Elizabeth Langdon Williams

Elizabeth Langdon Williams (1879-1981) - American human computer and astronomer. Her complex orbit - calculations under Lowell Observatory's Planet X search contributed to the eventual discovery of Pluto.

AstronomyUnited States19th-20th (1879-1981)
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Ida Eva Noddack (née Tacke)

Ida Eva Noddack (née Tacke)

Ida Noddack (1896-1978) was a German chemist who - together with her colleagues - discovered rhenium in 1925, and in 1934 became the first scientist to publicly hypothesize that atomic nuclei, when bombarded with neutrons, might split - a conceptual precursor to nuclear fission.

ChemistryGermany20th (1896-1978)
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Florence Bascom

Florence Bascom

Florence Bascom (1862-1945) was a pioneering American geologist - the first woman to earn a Ph.D. in geology from an American university (Johns Hopkins University, 1893), and the first woman to be hired by the United States Geological Survey (USGS). Her work on petrography, crystalline rocks, and geological mapping of the Appalachian/Piedmont region laid foundations for modern U.S. regional geology and trained many early women geologists.

GeologyUnited States19th - 20th (1862-1945)
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Josephine Garis Cochran

Josephine Garis Cochran

Josephine Cochran (1839-1913) was an American inventor who created and built the first commercially successful dishwasher.

EngineeringUnited States19th-early 20th (1839-1913)
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