Massachusetts Institute of Technology
Mit: Invention of the Week: Lee De Forest
This website provides information on the life and inventions of Lee DeForest, the man who invented the audion tube, which made commercial radio broadcasting practical.
Other
History of Telephone Sets: Graham Bell Invents the Telephone
A short summary of how Alexander Graham Bell (1847-1922) came to invent the telephone.
Gilder Lehrman Institute of American History
Gilder Lehrman Institute: History Now: Technology of the 1800s
[Free Registration/Login Required] Article considers the inventions and innovations in communication, transportation, and manufacturing that drove America forward in the nineteenth century. Includes a link to an interactive history of...
Mocomi & Anibrain Digital Technologies
Mocomi: Invention of Telephone
Explores the history of the telephone invention.
University of Houston
University of Houston: Engines of Our Ingenuity: No. 587: Alexander Graham Bell
A discussion of the life and achievements of Canadian inventor, Alexander Graham Bell. Focuses on the two fascinations that marked Bell's whole life: his concern for the deaf and for flight, and the inventions that resulted. This is a...
Other
Edison: His Life and Inventions: The Telephone, Motograph, and Microphone
This site offers the text of a book by Frank Dyer and Thomas Martin published in 1929 on the inventions of Thomas Edison. This particular page discusses Alexander Graham Bell's development of the telephone and the controversy over Thomas...
Great Idea Finder
Fascinating Facts About Alexander Graham Bell
Fascinating facts about Alexander Graham Bell, the Canadian inventor of the telephone. Incorporated into the site include and 'at a glance' summary of his life, a 'milestones' timeline and a brief summary of his life story. In addition,...
US National Archives
Nara: Teaching With Documents: Telephone and Light Patent Drawings
A lesson plan about Alexander Graham Bell's patent for the telephone and Thomas Edison's patent for the electric lamp. Contains good background information and historically pertinent documents. It also discusses the role corporations...
PBS
Pbs: American Experience: More About Bell
Part of the larger site about Alexander Graham Bell from the series, American Experience, this biography focuses mainly on his education and experimentation which resulted in his development of the telephone. Included is information...
TeachEngineering
Teach Engineering: String Telephones
Students investigate how sound travels through string and air. First, they analyze the sound waves with a paper cup attached to a string. Then, they combine the string and cup with a partner to model a string telephone. Finally, they are...
PBS
Who Made America? Alexander Graham Bell
From a PBS series, They Made America, comes this biography of Alexander Graham Bell and his invention of the telephone. Read about his development of the telephone and research into the sound.
National Inventors Hall of Fame
National Inventors Hall of Fame: Thomas Alva Edison
This site honorsThomas Alva Edison as a historic inventor and focuses attention on his invention of the electric lamp.
Houghton Mifflin Harcourt
Harcourt: Biographies: Alexander Graham Bell
An interesting description of the career of the man who invented the telephone. Learn more of his adventurous life as you read. (In Spanish)
Read Works
Read Works: Inventions: Then and Now
[Free Registration/Login Required] Students read about how the telephone, calculator, television, and clock have changed since they were invented. A question sheet is available to help students build skills in comparing and contrasting.
National High Magnetic Field Laboratory
Magnet Academy: Bell Telephone 1876
Acoustics, variable resistance and allegations of foul play contribute to the exciting story of the invention of the telephone.
Library of Congress
Loc: What in the World Is That?
Can you match the picture to the correct invention? Read about these inventions and the importance of them. Also included are related sites to find further information about each invention.
National Academy of Engineering
Greatest Achievements: Telephone
This resources features an overview of the history behind the technological development of the telephone today and a timeline showing the important dates.
TeachEngineering
Teach Engineering: Sound
Students learn the connections between the science of sound waves and engineering design for sound environments. Through three lessons, students come to better understand sound waves, including how they change with distance, travel...
PBS
Pbs: American Experience: Forgotten Inventors
Here is an accounting of a few inventions, most of which were invented in the 1800s, that often are overlooked. Find out about how the can opener was invented as well as that clothing staple, the denim jeans.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1870 1879
The telephone and first practical incandescent light bulb are invented while the word "electron" enters the scientific lexicon.
PBS
Pbs Learning Media: Forgotten Inventors
This illustrated feature from the American Experience Web site highlights the frequently forgotten inventors of several useful, innovative technologies.
National Inventors Hall of Fame
National Inventors Hall of Fame: Alexander Graham Bell: Telephone
Biographical information and a photograph of Alexander Graham Bell, the inventor of the telephone.
Science4Fun
Science4 Fun: Alexander Graham Bell
Brief biographical sketch of Alexander Graham Bell who was most famous for his invention of the telephone.
National Inventors Hall of Fame
National Inventors Hall of Fame: Harold Stephen Black
This site honors Harold Stephen Black for his inventions of the wave translation system and the negative feedback amplifier. Content includes a brief biography of the inventor as well as a look at how his inventions have impacted society.