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Henri Busignies and the Development of the Huff-Duff System

Henri Busignies and the Development of the Huff-Duff System

Harald Sack
On December 29, 1905, French engineer Henri Gaston Busignies was born. Busignies is best known for his contributions to radar, radio communication, and radio navigation. His invention (1936) of high-frequency direction finders (HF/DF, or “Huff-Duff“) permitted the U.S. Navy during World War II to detect enemy transmissions and quickly pinpoint the direction from which a radio transmission was coming. Early Years Henri Gaston Busignies was born in Sceaux, in suburban Paris, France, the…
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physics
Herbert Eugene Ives and the Ives-Stilwell Experiment

Herbert Eugene Ives and the Ives-Stilwell Experiment

Tabea Tietz
On November 13, 1953, US-American scientist and engineer Herbert Eugene Ives passed away. Ives headed the development of facsimile and television systems at AT&T. He is best known for the 1938 Ives–Stilwell experiment, which provided direct confirmation of special relativity’s time dilation, although Ives himself did not accept special relativity, and argued instead for an alternative interpretation of the experimental results. Herbert Eugene Ives – Background Herbert Eugene Ives was born on…
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history
Andreas Osiander and Copernicus’ Revolutions

Andreas Osiander and Copernicus’ Revolutions

Tabea Tietz
On October 17, 1552, German Lutheran theologian Andreas Osiander passed away. Osiander published a corrected edition of the Vulgate Bible in 1522 and oversaw the publication of the book De revolutionibus orbium coelestium (On the revolution of the celestial spheres) by Copernicus in 1543.[1] Osiander pursued mathematics as a hobby and edited Cardano‘s Artis Magnae, which introduced the theory of algebraic equations. Andreas Osiander – Background Andreas Osiander was born in Gunzenhausen, Principality…
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communication
Michael Pupin solving the Problems of long-distance Communication

Michael Pupin solving the Problems of long-distance Communication

Harald Sack
On October 9, 1858, Serbian American physicist and physical chemist Michael Pupin was born, who is best known for his numerous patents, including a means of greatly extending the range of long-distance telephone communication by placing loading coils (of wire) at predetermined intervals along the transmitting wire (known as “pupinization“). “We would never get away from it. … It’s bad enough as it is, but with the wireless telephone one could be…
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communication
Clarence Mackay connected the World

Clarence Mackay connected the World

Tabea Tietz
On April 17, 1874, American financier Clarence Hungerford Mackay was born. Mackay was chairman of the board of the Postal Telegraph and Cable Corporation and president of the Mackay Radio and Telegraph Company. He supervised the completion of the first transpacific cable between the United States and the Far East in 1904. He laid a cable between New York and Cuba in 1907 and later established cable communication with southern Europe via the…
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communication
The Legend of the Pony Express

The Legend of the Pony Express

Tabea Tietz
On April 3, 1860, the Pony Express started delivering messages, newspapers, mail, even small packages from St. Joseph, Missouri across the Great Plains, over the Rocky Mountains and the Sierra Nevada to Sacramento, California by horseback, using a series of relay stations. Although being an economic disaster, the Pony Express has become a U.S. national legend. Gold in California In January 1848, Gold was discovered in California, but the poor communication between…
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engineering
Vladimir Zworykin and the Invention of Television

Vladimir Zworykin and the Invention of Television

Tabea Tietz
On July 30, 1888, Russian inventor, engineer, and pioneer of television technology Vladimir Zworykin was born. Zworykin invented a television transmitting and receiving system employing cathode ray tubes. He played a role in the practical development of television from the early thirties, including charge storage-type tubes, infrared image tubes and the electron microscope. Vladimir Zworykin – Youth in Russia Vladimir Kosmich Zworykin was born in Murom, Russia, the son of Kosma A. Zworykin, a wealthy businessman,…
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computer science
Robert Metcalfe and the Ethernet Technology

Robert Metcalfe and the Ethernet Technology

Harald Sack
On May 22, 1973, Robert Metcalfe, by the time PhD student in electrical engineering working at Xerox PARC, wrote a memo describing a way to transmit data from the early generation of personal computers to a new device, the laser printer. He named the new network technology Ethernet after the disproven luminiferous ether as an “omnipresent, completely-passive medium for the propagation of electromagnetic waves“. Over time, Ethernet has largely replaced competing wired…
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engineering
Thomas Augustus Watson – Recipient of the Very First Phone Call

Thomas Augustus Watson – Recipient of the Very First Phone Call

Harald Sack
On January 18, 1854, American telephone pioneer and shipbuilder Thomas Augustus Watson was born. He is best known because, as the recipient of the first telephone call being the assistant of Alexander Graham Bell. He was one of the original organizers of the Bell Telephone Company and later turned to shipbuilding and constructed a number of vessels for the United States government. Becoming the Assistant of Alexander Graham Bell Born in Salem,…
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engineering
Transatlantic Telecommunication Via Voice

Transatlantic Telecommunication Via Voice

Harald Sack
On September 25, 1956,  the world’s first submarine transatlantic cable for telephony TAT-1 (Transatlantic No. 1) was inaugurated. It was laid between Gallanach Bay, near Oban, Scotland and Clarenville, Newfoundland between 1955 and 1956 by the cable ship Monarch. You might wonder how it was possible to route a call between Europe and the United States before the mid 1950s, well at least by cable. Don’t you at least remember some old…
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