![Guglielmo Marconi demonstrating apparatus he used in his first long distance radio transmissions in the 1890, digital improved reproduction of an woodprint from the year 1890 Stock Photo - Alamy Guglielmo Marconi demonstrating apparatus he used in his first long distance radio transmissions in the 1890, digital improved reproduction of an woodprint from the year 1890 Stock Photo - Alamy](https://c8.alamy.com/comp/PJ1G40/guglielmo-marconi-demonstrating-apparatus-he-used-in-his-first-long-distance-radio-transmissions-in-the-1890-digital-improved-reproduction-of-an-woodprint-from-the-year-1890-PJ1G40.jpg)
Guglielmo Marconi demonstrating apparatus he used in his first long distance radio transmissions in the 1890, digital improved reproduction of an woodprint from the year 1890 Stock Photo - Alamy
![Edwin Howard Armstrong (December 18, 1890 – January 31, 1954) was an American electrical engineer and inventor. He has been called 'the most prolific and influential inventor in radio history'. He invented Edwin Howard Armstrong (December 18, 1890 – January 31, 1954) was an American electrical engineer and inventor. He has been called 'the most prolific and influential inventor in radio history'. He invented](https://c8.alamy.com/comp/2B02PKK/edwin-howard-armstrong-december-18-1890-january-31-1954-was-an-american-electrical-engineer-and-inventor-he-has-been-called-the-most-prolific-and-influential-inventor-in-radio-history-he-invented-the-regenerative-circuit-while-he-was-an-undergraduate-and-patented-it-in-1914-followed-by-the-super-regenerative-circuit-in-1922-and-the-superheterodyne-receiver-in-1918-armstrong-was-also-the-inventor-of-modern-frequency-modulation-fm-radio-transmission-armstrong-was-born-in-new-york-city-new-york-in-1890-he-studied-at-columbia-university-he-later-became-a-professor-at-columbia-2B02PKK.jpg)
Edwin Howard Armstrong (December 18, 1890 – January 31, 1954) was an American electrical engineer and inventor. He has been called 'the most prolific and influential inventor in radio history'. He invented
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![The invention of radio communication, although generally attributed to Guglielmo Marconi in the 1890s, spanne… | Invention of radio, Radio communication, Radio wave The invention of radio communication, although generally attributed to Guglielmo Marconi in the 1890s, spanne… | Invention of radio, Radio communication, Radio wave](https://i.pinimg.com/474x/b0/ee/32/b0ee3264d1d61cbd703683ffde55aff3.jpg)
The invention of radio communication, although generally attributed to Guglielmo Marconi in the 1890s, spanne… | Invention of radio, Radio communication, Radio wave
![Dr. Jeffrey Guterman on Twitter: "Early audio recordings and radio broadcasts from 1890 to 1929. This is over six hours long. It includes Benjamin Harrison, Taft, TR, Florence Nightingale, and much more. Dr. Jeffrey Guterman on Twitter: "Early audio recordings and radio broadcasts from 1890 to 1929. This is over six hours long. It includes Benjamin Harrison, Taft, TR, Florence Nightingale, and much more.](https://pbs.twimg.com/media/EWAceCEXsAIq7Ff.jpg)