swap_horiz Waldo Semon Alternatives

1

Fred Sanger

Frederick Sanger was a British biochemist renowned for his groundbreaking work in molecular biology. He developed pionee...

20TH Century British Biochemistry Genetics

9.8 Brilliant

2

Maurice Hilleman

Maurice Hilleman was a prominent American microbiologist whose groundbreaking work significantly advanced vaccine develo...

American Medicine 20TH Century Vaccines

9.7 Brilliant

3

Wright brothers

Orville and Wilbur Wright were American inventors credited with inventing, building, and flying the world’s first succes...

American 20TH Century Aviation Airplane

9.6 Brilliant

4

Erwin Schrödinger

Erwin Schrödinger was an Austrian theoretical physicist instrumental in developing quantum mechanics. His most significa...

Austrian Physics 20TH Century Quantum Mechanics

9.6 Brilliant

5

Cai Lun

Cai Lun, a Chinese court official during the Han Dynasty, is recognized for pioneering paper production around 105 CE. H...

Chinese Paper Materials Han Dynasty

9.6 Brilliant

6

James L. Fergason

James L. Fergason was an American inventor instrumental in the development of practical twisted nematic liquid crystal d...

American 20TH Century LCD Display Materials

9.2 Excellent

7

Mária Telkes

Mária Telkes was a Hungarian-American inventor renowned for her work integrating solar energy into building design durin...

20TH Century Solar Energy Materials Hungarian American

8.7 Great

8

Leo Baekeland

Leo Baekeland was a 20th-century chemist recognized for developing Bakelite, the world’s first wholly synthetic plastic....

20TH Century Plastic Materials Bakelite

8.5 Great

9

George de Mestral

Swiss engineer who invented Velcro in 1955, inspired by noticing how burdock burrs clung to his clothing and his dog's f...

Swiss 20TH Century Fastener Materials

8.4 Great

10

Patsy Sherman

American chemist Patsy Sherman co-invented Scotchgard, a fluorochemical stain- and water-repellent fabric protector, at...

American 20TH Century 3M Materials

8.4 Great

11

Robert W. Gore

Robert W. Gore was an American engineer who discovered expanded PTFE in 1969, the porous material behind Gore-Tex fabric...

20TH Century Membrane Fabric Gore Tex

8.3 Great

12

Ching W. Tang

Ching W. Tang is a Hong Kong-born American chemist who demonstrated a practical organic LED in 1987 while working at Eas...

Display OLED 20TH Century Electronics

8.3 Great

13

Edith M. Flanigen

Edith M. Flanigen was an American chemist who invented molecular sieve zeolite Y at Union Carbide in 1956, important in...

Chemistry 20TH Century Materials Zeolite

8.1 Great

14

Harry Brearley

Harry Brearley was an English metallurgist credited with developing stainless steel in Sheffield in 1913 while seeking e...

20TH Century Stainless Steel British Materials

7.9 Good

15

Roy Plunkett

Roy Plunkett was an American chemist who accidentally discovered polytetrafluoroethylene, later branded Teflon, at DuPon...

American 20TH Century Polymer Materials

7.9 Good

16

Roy J. Plunkett

Roy J. Plunkett was an American DuPont chemist who accidentally discovered polytetrafluoroethylene, later sold as Teflon...

20TH Century Materials Dupont Teflon

7.9 Good

17

Richard Gurley Drew

Richard Gurley Drew was a 3M engineer who invented masking tape in 1925 and later developed transparent cellulose tape,...

20TH Century 3M Materials Adhesive Tape

7.8 Good

18

Katharine Burr Blodgett

Katharine Burr Blodgett was an American physicist at General Electric who created nonreflecting glass and became GE's fi...

American 20TH Century Materials Nonreflective Glass

7.7 Good

19

Spencer Silver

Spencer Silver was an American chemist at 3M who developed a low-tack reusable adhesive in 1968, later used in Post-it N...

American 20TH Century Adhesive Materials

7.2 Good

20

Patsy O'Connell Sherman

Patsy O'Connell Sherman was a 3M chemist who co-invented Scotchgard in the 1950s after discovering fluorochemical stain...

20TH Century 3M Materials Scotchgard

7.2 Good