swap_horiz Letitia Geer Alternatives

1

Wilhelm Conrad Röntgen

Wilhelm Conrad Röntgen was a German physicist and mechanical engineer who discovered X-rays in 1895 while experimenting...

German Physics 19TH Century Medical

9.78 Brilliant

2

Charles R. Drew

Charles R. Drew was an American surgeon and medical researcher whose work in blood transfusion and storage techniques re...

American Medical Biological Mid 20TH

9.28 Excellent

3

Joseph Henry

Joseph Henry (1797–1878) was an American scientist and engineer who served as the first Secretary of the Smithsonian Ins...

American 19TH Century Electrical Telegraphy

9.04 Excellent

4

Christopher Sholes

American inventor Christopher Latham Sholes is notable for creating the first practical typewriter and developing the QW...

American 19TH Century Mechanical Typewriter

8.91 Great

5

Frank Sprague

Frank Julian Sprague was an American electrical engineer and inventor who played a pivotal role in the development of ur...

American 19TH Century Transportation DC Motor

8.78 Great

6

Gertrude B. Elion

Gertrude B. Elion was a pioneering American pharmacologist whose work revolutionized medicine. She developed innovative...

American 20TH Century Medical Drugs

8.77 Great

7

Elizabeth Lee Hazen

Elizabeth Lee Hazen was an American microbiologist who, with biochemist Rachel Fuller Brown, discovered nystatin in 1950...

American 20TH Century Medical Nystatin

8.77 Great

8

George Westinghouse

George Westinghouse was a 19th-century American inventor best known for his pioneering work with electrical systems. He...

American 19TH Century Electric Railway

8.74 Great

9

Alfred Vail

Alfred Vail was an American machinist, inventor, and telegraph operator who collaborated with Samuel Morse during the de...

American 19TH Century Telegraph Communications

8.72 Great

10

Samuel Morse

Samuel Morse was an 19th century American inventor instrumental in revolutionizing communication. He developed Morse cod...

Communication American 19TH Century Code

8.65 Great

11

William Morton

William Thomas Green Morton (1819-1868) was an American dentist who played a pivotal role in the introduction of anesthe...

American Medicine 19TH Century Surgery

8.63 Great

12

Benjamin Rubin

Benjamin Rubin was an American inventor recognized for his significant contribution to public health. He developed the b...

American Medical Immunology 20THC

8.61 Great

13

Herman Hollerith

Herman Hollerith was an American inventor whose innovations dramatically improved data processing. He developed a punch-...

American 19TH Century Computing Punch Card Tabulator

8.51 Great

14

Rene Laennec

Rene Laennec (1781-1826) was a French physician recognized for developing the stethoscope. He created the first instrume...

French 19TH Century Medical Diagnostics

8.46 Great

15

John Pemberton

John Pemberton was an American pharmacist born in 1831. He developed Coca-Cola in Atlanta, Georgia, beginning with its c...

American 19TH Century Beverage Pharmacist

8.37 Great

16

William T. G. Morton

William T. G. Morton was an American dentist credited with popularizing ether as a surgical anesthetic. His demonstratio...

American 19TH Century Medical Anesthesia

8.11 Great

17

Crawford Long

Crawford Williamson Long was an American physician recognized for using ether as a surgical anesthetic in Jefferson, Geo...

American 19TH Century Medical Anesthesia

7.84 Good

18

John Gorrie

John Gorrie was a nineteenth-century American physician and inventor whose medical work in Florida led him to investigat...

American 19TH Century Medical Refrigeration

7.53 Good

19

Alexander Wood

Alexander Wood was a 19th-century Scottish physician credited with pioneering the hypodermic administration of drugs. In...

19TH Century Medical Scottish Syringe

7.34 Good

20

Charles Pravaz

Charles Pravaz (1791-1853) was a French orthopedic surgeon credited with developing an early hypodermic syringe in 1853....

French 19TH Century Medical Syringe

7.28 Good