The Matilda effect is the denial of womens efforts in science.
It was named after Matilda Joslyn Gage
Ada Lovlace wrote the first computer program in 1842

Margaret Cavendish was a pioneer in the philosophy of science
Mary Anning discovered various Jurassic fossils
Maria Sibylla was a pioneering entomologist

Caroline Herschel discovered some comets
Hypatia invented the hydrometer

Amalie Dietrich stole aboriginal human remains for science
Beatrix Potter was also a mycologist
Lize Meitner helped discover Nuclear fission in 1938
Sofia Kovalevskaya was mathematical wunderkind



Alicia Boole discovered 4-D polytopes

Henrietta Swan Leavitt changed the theory of modern astronomy
Emmy Noether was a mathematical pioneer in Algebra
Margaret Fountaine was a lepidopterist
Marie Curie discovered radioactivity

Jocelyn Bell Burnell discovered radio pulsars

Dorothy Maud Winch was a theoretical biochemist


Dorothy Maud Winch was a theoretical biochemist

A truncated tetrahedron proposed by Dorothy Maud in 1937
Cecilia Payne-Gaposchkin showed the sun was made of hydrogen

Hedy Lemarr co-invented spread spectrum communications

Hedy Lemarr co-invented spread spectrum communications

Mary Sears was a leading oceanographer

Betty Jennings, Fran Bilas Kay McNulty, Betty Snyder, Marlyn Wescoff, and Ruth Lichterman were pioneering computer programmers


Barbara McClintock discovered genetic transposition
Leona Woods helped build the first atomic bomb
Grace Hopper was an early computer programmer



Rosalind Franklin contributed to the understanding of DNA

Erna Schneider invented telephone switchboard computer system still used today

Dian Fossey was a famous zoologist


Erna Schneider invented telephone switchboard computer system still used today
Dian Fossey was a famous zoologist

Margo Wilson was a evolutionary psychologist


Mary Allen Wilkes worked as a hardware engineer and computer programmer
Karen Sparch Jones was a computer scientist

Shafi Goldwasser is a mathematician, electrical engineer, complex computer theorist, and co-inventor of zero knowledge proofs
Jeri Ellsworth is a self taught computer chip designer
Lawrence Summers has a triple jowl