1961 lee de forest american inventor invented the audion tube 06 30
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1961 65 years ago Notable Deaths June 30 2 sources

Lee de Forest, American inventor, invented the audion tube (born 1873)

On June 30, in the year 1961, Lee de Forest, American inventor, invented the audion tube (born 1873). This event is recorded as a Notable Deaths event in the history of June 30, a notable event in this corner of history.

1 notable person is associated with this event, including Lee de Forest. Learn more below.

Lee de Forest was an American inventor, electrical engineer, and early pioneer in electronics of fundamental importance. He invented the first practical electronic amplifier, the three-element "Audion" triode vacuum tube in 1908. This helped start the Electronic Age, and enabled the development of the electronic oscillator. These made radio broadcasting and long-distance telephone lines possible, and led to the development of talking motion pictures, among countless other applications.

Key Facts

  • This event took place on June 30, 1961 (AD era).
  • It is categorised as a Notable Deaths event in recorded history.
  • Referenced in 2 Wikipedia articles.
  • 1 notable person is recorded as involved in or associated with this event.
  • Wikipedia source last updated on 14 June 2026.

On This Date in History

Type Year Date Event
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Notable Deaths 2021 Jun 30 Raj Kaushal, Indian Film Director and Producer (born 1971)
Historical Events 2020 Jun 30 The Hong Kong National Security Law is passed by the Standing Committee of the National People's Congress and immediatel
Notable Deaths 2020 Jun 30 Stella Madzimbamuto, Zimbabwean activist (born 1930)
Historical Events 2019 Jun 30 Donald Trump becomes the first sitting US President to visit the Democratic People's Republic of Korea (North Korea)
Notable Deaths 2018 Jun 30 Smoke Dawg, Canadian rapper (born 1996)
Notable Deaths 2017 Jun 30 Barry Norman, English television presenter (born 1933)
Notable Deaths 2017 Jun 30 Simone Veil, French lawyer and politician (born 1927)
Historical Events 2015 Jun 30 A Hercules C-130 military aircraft with 113 people on board crashes in a residential area in Medan, Indonesia, resulting
Notable Deaths 2015 Jun 30 Charles W
Notable Deaths 2015 Jun 30 Robert Dewar, English-American computer scientist and academic (born 1945)
Notable Deaths 2015 Jun 30 Arthur Porter, Canadian physician and academic (born 1956)
Notable Deaths 2015 Jun 30 Leonard Starr, American author and illustrator (born 1925)
Selected Events 2015 Jun 30 An Indonesian Air Force military transport aircraft (pictured) crashed near a residential neighborhood in Medan, killing
Notable Deaths 2014 Jun 30 Frank Cashen, American businessman (born 1925)
Notable Deaths 2014 Jun 30 Paul Mazursky, American actor, director, producer, and screenwriter (born 1930)
Notable Deaths 2014 Jun 30 Željko Šturanović, Montenegrin lawyer and politician, 31st Prime Minister of Montenegro (born 1960)
Historical Events 2013 Jun 30 Nineteen firefighters die controlling a wildfire near Yarnell, Arizona
Historical Events 2013 Jun 30 Protests begin around Egypt against President Mohamed Morsi and the ruling Freedom and Justice Party, leading to their o
Notable Deaths 2013 Jun 30 Alan Campbell, Baron Campbell of Alloway, English lawyer and judge (born 1917)
Notable Deaths 2013 Jun 30 Akpor Pius Ewherido, Nigerian politician (born 1963)
Notable Deaths 2013 Jun 30 Kathryn Morrison, American educator and politician (born 1942)
Notable Deaths 2013 Jun 30 Thompson Oliha, Nigerian footballer (born 1968)
Notable Deaths 2013 Jun 30 Keith Seaman, Australian politician, 29th Governor of South Australia (born 1920)
Notable Deaths 2012 Jun 30 Michael Abney-Hastings, 14th Earl of Loudoun, English-Australian politician (born 1942)
Notable Deaths 2012 Jun 30 Yitzhak Shamir, Israeli politician, 7th Prime Minister of Israel (born 1915)
Notable Deaths 2012 Jun 30 Michael J
Historical Events 2009 Jun 30 Yemenia Flight 626, an Airbus A310-300, crashes into the Indian Ocean near Comoros, killing 152 of the 153 people on boa
Notable Deaths 2009 Jun 30 Pina Bausch, German dancer, choreographer, and director (born 1940)
Notable Deaths 2009 Jun 30 Harve Presnell, American actor and singer (born 1933)
Selected Events 2009 Jun 30 Yemenia Flight 626 crashed into the Indian Ocean near the Comoros, killing 152 people, with French schoolgirl Bahia Baka
Historical Events 2007 Jun 30 A Jeep Cherokee filled with propane canisters drives into the entrance of Glasgow Airport, Scotland in a failed terroris
Notable Deaths 2007 Jun 30 Sahib Singh Verma, Indian librarian and politician, 4th Chief Minister of Delhi (born 1943)
Notable Deaths 2004 Jun 30 Eddie Burns, Australian rugby league player (born 1916)
Notable Deaths 2003 Jun 30 Buddy Hackett, American actor and comedian (born 1924)
Notable Deaths 2003 Jun 30 Robert McCloskey, American author and illustrator (born 1915)
Notable Deaths 2002 Jun 30 Chico Xavier, Brazilian medium and author (born 1910)
Notable Deaths 2001 Jun 30 Chet Atkins, American singer-songwriter, guitarist, and producer (born 1924)
Notable Deaths 2001 Jun 30 Joe Henderson, American saxophonist and composer (born 1937)
Notable Births 1998 Jun 30 Tom Davies, English footballer
Notable Births 1997 Jun 30 A
Notable Births 1997 Jun 30 Reuben Garrick, Australian rugby league player
Notable Deaths 1996 Jun 30 Lakis Petropoulos, Greek footballer and manager (born 1932)
Notable Births 1995 Jun 30 bbno$, Canadian singer-songwriter
Notable Deaths 1995 Jun 30 Georgy Beregovoy, Ukrainian general and astronaut (born 1921)
Notable Deaths 1995 Jun 30 Gale Gordon, American actor and voice artist (born 1906)
Historical Events 1994 Jun 30 An Airbus A330-300 crashes during a test flight at Toulouse–Blagnac Airport, killing all seven people on board

This article draws on content from Wikipedia, available under CC BY-SA 4.0.

People Involved

Lee de Forest

American inventor (1873–1961)

death

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