Michael Idvorsky Pupin

Michael Idvorski Pupin (October 9th 1854 - March 12th 1935) was an American physicist of Serb origin

He was born in the village from Idvor. He emigrated in the United States in 1883. On its arrival in the United States, it had only one part of 25 hundreds on him. The agent of immigration required of him then if he knew people who could help it. He answered that he knew only George Washington and Abraham Lincoln.

Child of illiterate parents, it became in 1890 teaching with the Université of Columbia and highlighted that the Atome S struck by the x-rays emit x-rays.

He accepted in 1924 the Prix Pulitzer for his autobiography: Of the immigrant to the inventor .

He is deceased the March 12th 1935 with New York.

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He improved the transmission of the telephone communications on the long distances while placing reels along the cables of communication. These reels were familiarly indicated by the term “Pupin”.

Thanks to these reels, weakening remained identical in the frequency band of the telephone way.

It was then possible to make communications long distance without passing by active elements.

These reels tend to disappear, in particular because the Affaiblissement is very high high frequency, which prevents from using technologies like ADSL.

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Sources

  • "Pupin, Michael Idvorsky." Encyclopædia Britannica. 2005. Encyclopædia Britannica Premium

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