Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
Harvey Fletcher
Table of Contents
Introduction References & Edit History Quick Facts & Related Topics
Images
Harvey Fletcher
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?
Florence Baptistery of Saint John, Italy
9 Historic Buildings in Florence
Nuthatch. nuthatch and creeper. bird. Red-breasted Nuthatch (Sitta canadensis) a small songbird in mid-winter. Near Fairmont Hot Springs, BC, Canada.
How Do Birds Hear?
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
Cheetah (Acinonyx jubatus) standing on rock, side view, Masai Mara National Reserve, Kenya
The Fastest Animals on Earth
Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
7 of the World’s Deadliest Shipwrecks
Hemp (Cannabis sativa).
9 Mind-Altering Plants
Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.
10 of the World’s Most Dangerous Fish
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?
Two chicks near an egg with a white background (poultry, chick, chickens, birds).
What Do Eggs Have to Do with Easter?
Currency. Money. Cash. Dollars. Bills. Pile of ten, twenty, fifty, and hundred dollar bills.
6 Questions About the History of Money and Banking Answered

Harvey Fletcher: 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/Harvey-Fletcher
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 11, 1884 • Provo • Utah
Died July 23, 1981 (aged 96) • Provo • Utah
Notable Works “Speech and Hearing”
Subjects Of Study hearing • psychoacoustics • speech

Photos

Harvey Fletcher
See All Images →
Georg von Békésy
American physicist and physiologist
Eric Zepler
German-born physicist
George Pake
American physicist
Alfred Otto Carl Nier
American physicist
Albert Einstein
Albert Einstein
German-American physicist
Martin Luther King, Jr.
Martin Luther King, Jr.
American religious leader and civil-rights activist
John Searle
John Searle
American philosopher
Enrico Fermi
Enrico Fermi
Italian-American physicist
Richard Feynman
Richard Feynman
American physicist
Hans Bethe.
Hans Bethe
American physicist
J. Robert Oppenheimer
J. Robert Oppenheimer
American physicist
Teller, Edward
Edward Teller
Hungarian-born American physicist
Wolfgang Pauli, 1945.
Wolfgang Pauli
American physicist
Robert Goddard
Robert Goddard
American professor and inventor
A.A. Michelson.
A.A. Michelson
German-born American physicist
Rainer Weiss
American physicist
Charles H. Bennett
Charles H. Bennett
American physicist
Jack Kilby
American engineer
John F. Clauser
John F. Clauser
American physicist
Chen Ning Yang
Chen Ning Yang
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