Edwin Howard Armstrong isn’t exactly a well-known inventor, but his work in radio literally changed communications around the globe. But his most famous invention – FM radio – became a source of constant frustration after he developed it.

Research:
Armstrong, Edwin H. “Frequency Modulation and Its Future Uses.” The Annals of the American Academy of Political and Social Science, vol. 213, 1941, pp. 153–61. JSTOR, http://www.jstor.org/stable/1024069
Armstrong, Edwin H. “Personalities in Science.” Scientific American, vol. 154, no. 1, 1936, pp. 3–3. JSTOR, http://www.jstor.org/stable/26144367
“First public radio broadcast.” Guinness World Records. https://www.guinnessworldrecords.com/world-records/381969-first-public-radio-broadcast
“FM Inventor Dies in Fall.” The Patriot News. Feb. 2, 1954. https://www.newspapers.com/image/1094174282/?match=1&terms=%22Edwin%20Howard%20Armstrong%22
Lessing, Lawrence P.. "Edwin H. Armstrong". Encyclopedia Britannica, 14 Dec. 2024, https://www.britannica.com/biography/Edwin-H-Armstrong
Lessing, Lawrence P. “Man of High Fidelity: Edwin Howard Armstrong.” Bantam. 1969.
Lessing, Lawrence P. “The Late Edwin H. Armstrong.” Scientific American, vol. 190, no. 4, 1954, pp. 64–69. JSTOR, http://www.jstor.org/stable/24944524
“Proceedings of the Institute of Radio Engineers, Volume 5.” Institute of Radio Engineers. 1917. Accessed online: https://books.google.com/books?id=YEASAAAAIAAJ&source=gbs_navlinks_s
“Radio Broadcast.” Garden City, N.Y.: Doubleday, Page & Co., 1922-1930. https://babel.hathitrust.org/cgi/pt?id=iau.31858044013914&view=1up&seq=277
“Telephoning Without Wires.” The Fort Wayne Journal Gazette. Oct. 20, 1907. https://www.newspapers.com/image/29125618/?match=1&terms=audion%20%22de%20Forest%22
Tsividis, Yannis. “Edwin Armstrong: Pioneer of the Airwaves.” Columbia Magazine. April 1, 2002. https://magazine.columbia.edu/article/edwin-armstrong-pioneer-airwaves
Turner, H. M. “Dr. Edwin H. Armstrong, Edison Medalist.” The Scientific Monthly, vol. 56, no. 2, 1943, pp. 185–87. JSTOR, http://www.jstor.org/stable/17796
“What’s the Difference Between AM and FM Radio?” National Inventors Hall of Fame. Aug, 16, 2023. https://www.invent.org/blog/trends-stem/difference-between-am-fm

Edwin Howard Armstrong isn&rsquo;t exactly a well-known inventor, but his work in radio literally changed communications around the globe. But his most famous invention &ndash; FM radio &ndash; became a source of constant frustration after he developed it.
Research:
<ul>
<li>Armstrong, Edwin H. &ldquo;Frequency Modulation and Its Future Uses.&rdquo;&nbsp;The Annals of the American Academy of Political and Social Science, vol. 213, 1941, pp. 153&ndash;61.&nbsp;JSTOR, http://www.jstor.org/stable/1024069</li>
<li>Armstrong, Edwin H. &ldquo;Personalities in Science.&rdquo;&nbsp;Scientific American, vol. 154, no. 1, 1936, pp. 3&ndash;3.&nbsp;JSTOR, http://www.jstor.org/stable/26144367</li>
<li>&ldquo;First public radio broadcast.&rdquo; Guinness World Records. https://www.guinnessworldrecords.com/world-records/381969-first-public-radio-broadcast</li>
<li>&ldquo;FM Inventor Dies in Fall.&rdquo; The Patriot News. Feb. 2, 1954. https://www.newspapers.com/image/1094174282/?match=1&amp;terms=%22Edwin%20Howard%20Armstrong%22</li>
<li>Lessing, Lawrence P.. "Edwin H. Armstrong".&nbsp;Encyclopedia Britannica, 14 Dec. 2024, https://www.britannica.com/biography/Edwin-H-Armstrong</li>
<li>Lessing, Lawrence P. &ldquo;Man of High Fidelity: Edwin Howard Armstrong.&rdquo; Bantam. 1969.</li>
<li>Lessing, Lawrence P. &ldquo;The Late Edwin H. Armstrong.&rdquo;&nbsp;Scientific American, vol. 190, no. 4, 1954, pp. 64&ndash;69.&nbsp;JSTOR, http://www.jstor.org/stable/24944524</li>
<li>&ldquo;Proceedings of the Institute of Radio Engineers, Volume 5.&rdquo; Institute of Radio Engineers. 1917. Accessed online: https://books.google.com/books?id=YEASAAAAIAAJ&amp;source=gbs_navlinks_s</li>
<li>&ldquo;Radio Broadcast.&rdquo;&nbsp;Garden City, N.Y.: Doubleday, Page &amp; Co., 1922-1930. https://babel.hathitrust.org/cgi/pt?id=iau.31858044013914&amp;view=1up&amp;seq=277</li>
<li>&ldquo;Telephoning Without Wires.&rdquo; The Fort Wayne Journal Gazette. Oct. 20, 1907. https://www.newspapers.com/image/29125618/?match=1&amp;terms=audion%20%22de%20Forest%22</li>
<li>Tsividis, Yannis. &ldquo;Edwin Armstrong: Pioneer of the Airwaves.&rdquo; Columbia Magazine. April 1, 2002. https://magazine.columbia.edu/article/edwin-armstrong-pioneer-airwaves</li>
<li>Turner, H. M. &ldquo;Dr. Edwin H. Armstrong, Edison Medalist.&rdquo;&nbsp;The Scientific Monthly, vol. 56, no. 2, 1943, pp. 185&ndash;87.&nbsp;JSTOR, http://www.jstor.org/stable/17796</li>
<li>&ldquo;What&rsquo;s the Difference Between AM and FM Radio?&rdquo; National Inventors Hall of Fame. Aug, 16, 2023. https://www.invent.org/blog/trends-stem/difference-between-am-fm</li>
</ul>

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Edwin Howard Armstrong isn’t exactly a well-known inventor, but his work in radio literally changed communications around the globe. But his most famous invention – FM radio – became a source of constant frustration after he developed it. 

Edwin Howard Armstrong

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