Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
Harold DeForest Arnold
Table of Contents
Introduction References & Edit History Quick Facts & Related Topics
Quizzes
Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.
Faces of Science
Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.
Physics and Natural Law
Related Questions
Read Next
Highway Night Traffic Portland, drive, driving, car, automobile.
What's the Difference Between Speed and Velocity?
Abstract vector hi speed internet technology background
History of Technology Timeline
A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England
Inventors and Inventions of the Industrial Revolution
Above the clouds 130 nautical miles below, astronaut Mark C. Lee floats freely without tethers as he tests the new Simplified Aid for Extravehicular Activity (EVA) Spacewalk Rescue (SAFER) system, Sept. 16, 1994. Space Shuttle Discovery, STS-64
Gravity: From Apples to the Universe
Discover
In this aerial photo, structures are damaged and destroyed October 15, 2005 in Balakot, Pakistan. It is estimated that 90% of the city of Balakot was leveled by the earthquake. The death toll in the 7.6 magnitude earthquake that struck northern Pakistan on October 8, 2005 is believed to be 38,000 with at least 1,300 more dead in Indian Kashmir. SEE CONTENT NOTES.
6 of the World’s Deadliest Natural Disasters
Data analysis of the Super Bowl's "winningest" teams, game locations, MVP winners by position, teams with the most game losses. football, sports, infographic
From Sport to Spectacle: The History of the Super Bowl
Attack on Pearl Harbor. December 7, 1941. Pearl Harbor infographic. World War II. Hawaii. United States. Japan. SPOTLIGHT VERSION
Attack on Pearl Harbor Timeline
Shah Jahan. Taj Mahal. Mughal architecture. Emperor Shah Jahan fifth Mughal Emperor (reigned 1628-1658) India, Himachal Pradesh, Basohli or Jammu and Kashmir, Mankot, circa 1690 Drawings; Opaque watercolor, gold, and ink on paper (see notes)
6 Important Mughal Emperors
Chapter 4 pg 42 - Chapter header of The Adventures of Tom Sawyer by Mark Twain. Published in 1884 by The American Publishing Company
Periods of American Literature
earthquake. Heavily damaged school in the town of Yingxiu after a major earthquake struck China's Sichuan Province on May 12, 2008.
The 6 Deadliest Earthquakes Since 1950
King Cobra snake in Malaysia. (reptile)
9 of the World’s Deadliest Snakes

Harold DeForest Arnold: Facts & Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/Harold-DeForest-Arnold
Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

Facts

Born September 3, 1883 • Connecticut
Died July 10, 1933 (aged 49) • New Jersey
Subjects Of Study telephone
Pupin, detail of a portrait
Mihajlo Pupin
Serbian American physicist
Emory Leon Chaffee
American physicist
Johann Philipp Reis
German physicist
Charles Édouard Guillaume
French physicist
Watch a silent short of Thomas Edison, who invented the phonograph and incandescent electric light
Thomas Edison
American inventor
Alexander Graham Bell
Alexander Graham Bell
American inventor
Teller, Edward
Edward Teller
Hungarian-born American physicist
Robert Goddard
Robert Goddard
American professor and inventor
Jack Kilby
American engineer
Edwin Herbert Land
American inventor and physicist
Luis Alvarez
Luis Alvarez
American physicist
Wigner, 1962
Eugene Wigner
American physicist
William Webster Hansen
American physicist
John Vincent Atanasoff
American mathematician and physicist
Watson, Thomas Augustus
Thomas Augustus Watson
American industrialist
John Archibald Wheeler
John Archibald Wheeler
American physicist
Charles Kao
British-American physicist
Page, Robert Morris
Robert Morris Page
American physicist
George Washington Pierce
American inventor
Allan MacLeod Cormack
Allan MacLeod Cormack
American physicist

Related Quizzes and Features

Quiz
Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.
Physics and Natural Law
Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.
Faces of Science