Today in the History of Science: Roy J. Plunkett Discovers Teflon Material

Roy Plunkett Teflon
Roy Plunkett Teflon

April 6 is the 96nd (97rd in leap years) day of the year according to the Gregorian calendar. The number of days left until the end of the year is 269.

Today in the History of Science

  • On April 6, 1938, Du Pont researcher Roy J. Plunkett and his technician Jack Rebok accidentally discovered the chemical compound polytetrafluoroethylene (PTFE), which would later be marketed as Teflon.
  • April 6, 2019 British physicist and scientist David J. Thouless died.

Events

  • 1326 – Orhan Bey took Bursa, which was under siege, from the Byzantines. Bursa was the capital of the Ottomans between 1326 and 1361.
  • 1453 – Istanbul was besieged by Fatih Sultan Mehmet.
  • 1814 - Napoleon Bonaparte abdicates the Imperial throne and is exiled to the Island of Elba.
  • 1830 - Joseph Smith, Jr. The Church of Jesus Christ of Latter-day Saints was founded.
  • 1861 - The Sultanate of Oman was divided into Zanzibar and Oman.
  • 1869 - Celluloid was patented.
  • 1872 – Pertevniyal High School started education under the name of "Mahmudiye Rüştiyesi".
  • 1896 - The first modern Olympic Games began in Athens.
  • 1909 - Robert Peary and Matthew Henson allegedly reached the North Pole. Their lack of rigor in their records and lack of some information has created doubts among experts and debated whether they have reached the North Pole.
  • 1909 - freedom Journalist Hasan Fehmi Bey, who wrote articles against the Committee of Union and Progress in the newspaper, was killed.
  • 1914 – Military Supreme Court was established.
  • 1917 – The United States declares war on Germany and declares that it is entering the First World War on the side of the Allies.
  • 1920 – Anadolu Agency was established.
  • 1927 - American swimmer Johnny Weissmuller sets three world records in three styles in the 100m distance.
  • 1941 – Axis powers invade Yugoslavia. The Germans entered Greece, declared the Eastern Mediterranean a war zone up to the Turkish maritime border. Turkey then blew up the railway bridges in Edirne and Uzunköprü.
  • 1953 – Turkey Youth National Football Team became the third in the world.
  • 1956 – The first issue of Hayat magazine is published.
  • 1972 – The Constitutional Court annulled the death sentences of Deniz Gezmiş, Yusuf Aslan and Hüseyin İnan. It has been announced that the Parliament will discuss the executions again.
  • 1973 – Contingent senator retired Admiral Fahri Korutürk was elected as the 15th President of Turkey with 365 votes in the 6th round.
  • 1979 – Turkish athlete Veli Ballı won the international marathon held in Athens.
  • 1980 – President Fahri Korutürk, whose term of office ended, left the Çankaya Mansion. Ihsan Sabri Çağlayangil, President of the Senate of the Republic, began to act in his place. Again, no presidential election was held in the TGNA. For months, until September 12, 1980, the president could not be elected.
  • 1980 – Events broke out in the rally organized by DİSK in Eskişehir. 5 people died, 4 people were injured.
  • 1988 – The team of Ali Deveci-Galip Gürel, representing Turkey, won the Camel Trophy competition held in Sulawesi, Indonesia.
  • 1994 – The plane on which Rwandan President Juvénal Habyarimana and Burundi President Cyprien Ntaryamira were boarding crashed as a result of a rocket attack. After the assassination, the clashes between the Hutu and Tutsi tribes resulted in the massacre of about 1 million people.

Births

  • 1483 – Raphael, Italian painter and architect (d. 1520)
  • 1812 – Alexander Herzen, Russian writer and philosopher (d. 1870)
  • 1820 – Nadar, French photographer (d. 1910)
  • 1849 – John William Waterhouse, English painter (d. 1917)
  • 1903 – Harold Eugene Edgerton, American electrical engineer and photographer (d. 1990)
  • 1904 – Kurt Georg Kiesinger, German politician (d. 1988)
  • 1911 – Feodor Felix Konrad Lynen, German biochemist and Nobel Prize laureate in Physiology or Medicine (d. 1979)
  • 1915 – Tadeusz Kantor, Polish painter, assemblageist and theater director (d. 1990)
  • 1920 – Edmond H. Fischer, American biochemist and Nobel Prize laureate in Physiology or Medicine (d. 2021)
  • 1927 – Gerry Mulligan (Gerald Joseph), American jazz musician (d. 1996)
  • 1928 – James Watson, American scientist and Nobel Prize laureate in Physiology or Medicine (discovering DNA structure)
  • 1929 - Nancy MacKay, Canadian athlete
  • 1939 – Göksel Kortay, Turkish actor, voice actor and translator
  • 1941 – Zamfir, Romanian musician
  • 1942 – İlgün Soysev, Turkish composer
  • 1957 – Mehtap Ar, Turkish actress and theater actor (d. 2021)
  • 1962 – Yvette Bova, American bodybuilder and pornographic film actress
  • 1964 – David Woodard, American conductor and author
  • 1969 - Paul Rudd, American actor
  • 1971 – Seren Serengil, Turkish presenter, singer and actress
  • 1972 – Yiğit Özşener, Turkish theater, cinema and TV series actor
  • 1975 – Murat Güloğlu, Turkish newscaster and TV show producer
  • 1975 – Zach Braff, American actor, director, and screenwriter
  • 1980 – Tommi Evilä, Finnish long jumper
  • 1982 – Damien Walters, English free runner, stuntman, trampoline specialist, and gymnast
  • 1983 - Bobbi Starr, American porn actress
  • 1983 - Diora Baird, American actress and model
  • 1988 – Abel Masuero, Argentine football player
  • 1994 – Ylli Sallahi, Austrian-Kosovo footballer
  • 1995 – Serginho, Brazilian football player
  • 1998 – Peyton List, American actress and model
  • 1999 – Oguz Kagan Guctekin, Turkish football player
  • 2009 – Valentina Tronel Known as Valentina, French singer

Deaths

  • 885 – Methodios, missionaries who spread Christianity among the Slavs in Moravia and Pannonia.
  • 1199 – Richard I (Richard the Lionheart), French King of England (b. 1157)
  • 1490 – Matthias Corvinus, King of Hungary (b. 1443)
  • 1520 – Raphael, Italian painter and architect (b. 1483)
  • 1528 – Albrecht Dürer, German painter (b. 1471)
  • 1641 – Domenichino, full name Domenico Zampieri, Italian painter (b. 1581)
  • 1759 – Johann Gottfried Zinn, German anatomist and botanist (b. 1727)
  • 1829 – Niels Henrik Abel, Norwegian mathematician (b. 1802)
  • 1833 – Adamantios Korais, humanist scholar who pioneered the development of the modern Greek literary language (b. 1748)
  • 1844 – Friedrich Franz Xaver, Austrian general (b. 1757)
  • 1849 – Jan Svatopluk Presl, Bohemian naturalist (b. 1791)
  • 1886 – William Edward Forster, English politician (b. 1818)
  • 1875 – Moses (Moshe) Hess, German-French-Jewish philosopher, socialist, and founder of Socialist Zionism (b. 1812)
  • 1906 – Alexander Kielland, Norwegian writer (b. 1849)
  • 1909 – Hasan Fehmi Bey, Ottoman journalist (b. 1874)
  • 1915 – Musa Ćazim Ćatić, Bosnian poet (b. 1878)
  • 1935 – Ömer Hilmi Efendi, Ottoman prince and officer (b. 1886)
  • 1943 – Alexandre Millerand, French politician who served as Prime Minister and President (b. 1859)
  • 1947 – Herbert Backe, German politician and war criminal SS-Obergruppenführer (b. 1896)
  • 1961 – Jules Jean Baptiste Vincent Bordet, Belgian immunologist and microbiologist (b. 1870)
  • 1963 – Otto Struve, Ukrainian-American astronomer (b. 1897)
  • 1971 – Igor Stravinsky, Russian composer (b. 1882)
  • 1972 – Karl Heinrich Lübke, German politician who served as president of West Germany from 1959 to 1969 (b. 1894)
  • 1983 – Fakihe Öymen, Turkish educator and politician (one of Turkey's first female MPs) (b. 1900)
  • 1992 – Isaac Asimov, American author (b. 1920)
  • 1996 – Greer Garson, Irish actress (b. 1904)
  • 2000 – Habib Bourguiba, President of Tunisia (b. 1903)
  • 2001 – Haluk Afra, Turkish diplomat (b. 1925)
  • 2005 – III. Rainier, Prince of Monaco (b. 1923)
  • 2009 – Ivy Matsepe-Casaburri, South African lecturer and politician (b. 1937)
  • 2009 – Jacques Hustin, Belgian singer (b. 1940)
  • 2009 – Hızır Tüzel, Turkish journalist and writer (b. 1956)
  • 2014 – Mickey Rooney, American film director and actor (b. 1920)
  • 2014 – Mary Anderson, American actress, former figure skater (b. 1918)
  • 2015 – James Best, American actor (b. 1926)
  • 2015 – Nevin Akkaya, Turkish actress and voice actor (b. 1919)
  • 2016 – Ülkü Erakalın, Turkish director (b. 1934)
  • 2016 – Merle Ronald Haggard, Country music legend, American musician (b. 1937)
  • 2017 – Stan Anslow, English football player (b. 1931)
  • 2017 – Armand Gatti, Playwright, poet, screenwriter, journalist, film director, film producer (b. 1924)
  • 2017 – Donald Jay “Don” Rickles, American voice actor, actor, and comedian (b. 1926)
  • 2018 – Daniel Kahikina Akaka, American politician (b. 1924)
  • 2018 – Sevda Aydan, Turkish actress, painter and opera singer (b. 1930)
  • 2018 – Jacques Joseph Victor Higelin, French male pop singer (b. 1940)
  • 2018 – Isao Takahata, Japanese anime director (b. 1935)
  • 2019 – Nadja Regin, Serbian actress, writer and model (b. 1931)
  • 2019 – David J. Thouless, British physicist and scientist (b. 1934)
  • 2020 – Radomir Antić, Serbian former football player and manager (b. 1948)
  • 2020 – Armando Francioli, Italian actor (b. 1919)
  • 2020 – Jacques Le Brun, French historian (b. 1931)
  • 2020 – Hal Willner, American television and music album producer (b. 1956)
  • 2021 – Hans Küng, Swiss Roman Catholic theologian cleric (b. 1928)

Holidays and special occasions

  • Day of Murdered Journalists

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