swap_horiz Margaret Knight Alternatives

1

Wilhelm Roentgen

Wilhelm Roentgen was a German physicist who discovered X-rays in 1895. He produced and detected electromagnetic radiatio...

German Physics Historical Medical

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 & Wilbur Wright)

Orville and Wilbur Wright were American aviation pioneers and bicycle manufacturers who developed the first successful s...

American Mechanical Aviation Transportation

9.7 Brilliant

4

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

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

Bob Noyce

Robert Noyce (1927–1990) was an American physicist, inventor, and businessman nicknamed 'the Mayor of Silicon Valley.' H...

American Silicon Valley 20TH Century Microchip

9.5 Brilliant

7

Vannevar Bush

Vannevar Bush was an American engineer whose work profoundly influenced computing. He led scientific research efforts du...

American 20TH Century Computing Memex Concept

9.4 Excellent

8

Stephanie Louise Kwolek

Stephanie Louise Kwolek was an American chemist renowned for her research in polymer chemistry while working at the DuPo...

American Chemistry Materials Mid 20TH

9.3 Excellent

9

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

10

J. Robert Oppenheimer

J. Robert Oppenheimer (1904–1967) was an American theoretical physicist who served as director of the Los Alamos Laborat...

Physics American Historical Manhattan Project

8.9 Great

11

Patsy Sherman

Patsy Sherman was an American chemist who co-invented Scotchgard, a widely used fluorochemical stain and water repellent...

American 20TH Century 3M Materials

8.4 Great

12

Earl Dickson

Earl Dickson was an American inventor who worked as a cotton buyer for Johnson & Johnson in the early 20th century. In 1...

American Historical Medical Band Aid

8.2 Great

13

Roy Plunkett

Roy Plunkett was an American chemist who discovered polytetrafluoroethylene, or PTFE, while working for DuPont in 1938....

American 20TH Century Polymer Materials

7.9 Good

14

Thomas Davenport

Thomas Davenport was an American blacksmith and inventor credited with building the first practical direct current (DC)...

American Historical Electrical DC Electric Motor

7.9 Good

15

John Wesley Hyatt

John Wesley Hyatt was an American inventor who secured a patent in 1869 for celluloid, the first commercially successful...

American 19TH Century Plastic Materials

7.7 Good

16

Katharine Burr Blodgett

Katharine Burr Blodgett was an American physicist and chemist whose research at General Electric advanced thin films, su...

American 20TH Century Materials Nonreflective Glass

7.7 Good

17

Daniel B. Wesson

Daniel B. Wesson (1825–1906) was an American firearms inventor and manufacturer who co-founded Smith & Wesson in 1856 wi...

Military American Historical Revolver

7.6 Good

18

Horace Smith

Horace Smith (1808–1893) was an American firearms designer and manufacturer who partnered with Daniel B. Wesson to estab...

Military American Historical Revolver

7.4 Good

19

William Kelly

William Kelly (1811-1888) was an American inventor and ironmaster who independently developed a pneumatic process for st...

American Manufacturing 19TH Century Materials

7.3 Good

20

Spencer Silver

Spencer Silver was an American chemist who worked for the multinational conglomerate 3M. In 1968, he accidentally synthe...

American 20TH Century Adhesive Materials

7.2 Good