John Alfred Penton (August 19, 1925 – September 7, 2025) was an American professional motorcycle racer and businessman who developed a brand of enduro motorcycles that bore his name. He was born and died in Amherst, Ohio, USA. He was a national enduro champion.

He was the oldest living professional motorcycle racer.
Now I don't know who this person is.

https://131offroad.com/2025/09/07/john-penton-1925-2025/

Aza Alibekovna Takho-Godi (October 26, 1922 – September 8, 2025) was a Soviet and Russian philologist, born on October 26, 1922 in Makhachkala, Dagestan Autonomous Soviet Socialist Republic, and was the oldest notable living philologist.

Her successor is Margarita Ana María Frenk y Freund (born August 21, 1925), born in Hamburg, Germany, currently living in Mexico.

https://www.fontanka.ru/2025/09/08/76020297/

Doyle Merwin Coad (September 28, 1924 – September 5, 2025) in Mitchell County, Kansas, served as a member of the United States House of Representatives from 1957 to 1963 representing the state of Iowa. He was the oldest living minister, the last living former U.S. Representative to have served in the 1950s, and the last living former U.S. Representative to have served during the presidency of Dwight D. Eisenhower.

https://www.legacy.com/us/obituaries/name/doyl-coad-obituary?id=59429210

Sir Peter Bernhard Hirsch (January 16, 1925 – September 12, 2025) was born in Berlin.
He was the oldest living notable metallurgist, and made fundamental contributions to the application of transmission electron microscopy to metals.
He was one of hundreds of Jewish children who escaped Germany through the various Kindertransport missions.

https://www.seh.ox.ac.uk/news/hall-remembers-sir-peter-hirsch-frs

Leo Pearlstein (October 5, 1920 – September 10, 2025) was an American businessman, founder and president of Lee & Associates, Inc., a public relations and advertising firm he opened in 1950. He wrote four books: Celebrity Stew, Recipes of the Stars, Mrs. Cubbison's Best Stuffing Cookbook, and Adventures in PR. With that, he was the oldest living notable author.

Now that person is the Iranian from Nishapur, Hossein Wahid Khorasani, born on January 1, 1921.

https://calseafood.net/2025/09/11/cfsi-mourns-the-passing-of-leo-pearlstein/

Georg Stefan Troller (December 10, 1921 – September 27, 2025) was an Austrian journalist, writer, director, and screenwriter, born in Vienna and died in Paris.
In addition to all the professions above, he was also an actor, as he appeared in some films. He was the oldest living interviewer (I haven't found his successor), actor, and screenwriter.
The oldest living actor now is the musician Ray Anthony, born on January 20, 1922, in Bentleyville, Pennsylvania.
And the oldest notable living screenwriter who succeeded him was Ralph Abbott Senensky, born on May 1, 1923, in Mason City, Iowa, but he has also died since then, as I will discuss later.

https://www.welt.de/kultur/literarischewelt/article68d79ff53204c86ca0ddacae/kolumnist-literarische-welt-journalistenlegende-georg-stefan-troller-gestorben.html

Anne Baker was known here on the forum, born in London on May 14, 1914, died on September 23, 2025 in Salisbury, Wiltshire, she was a writer and fundraiser and in both she was the oldest notable living, I only found the successor as the oldest notable living writer, the Swiss Hélène Guisan-Démétriadès born on November 16, 1916 in Isambul, she lived in Lausanne in 2019
She is also the author of La Tierce présence, a work that received the Ève Delacroix Prize from the French Academy in 1995

Karl Ernst Tielebier-Langenscheidt was born in Berlin on July 27, 1921, and died in Munich on September 30, 2025. He was the oldest living publisher and the great-grandson of the founder of the Langenscheidt publishing house. In early 2013, the publishing house was sold to Günther Holding GmbH.

I have not found his successor as the oldest living publisher.

https://trauer.sueddeutsche.de/traueranzeige/karl-ernst-tielebier-langenscheidt

Yang Chen-Ning (October 1, 1922 – October 18, 2025) was born in Hefei, Anhui and died in Beijing.
He has already been mentioned here as well, he was the oldest living Nobel Prize winner (Physics 1957).
Now the oldest living Nobel Prize winner is Rudolph Arthur Marcus (born July 21, 1923) born in Montreal, Canada. He won the Nobel Prize in Chemistry in 1992.

He won the Nobel Prize along with Tsung-Dao Lee, and they were the first Chinese to win the award.

https://apnews.com/article/china-nobel-laureate-physicist-chen-ning-yang-fb5709847c4dbe01e967e5eb1df28c18

Günter Twiesselmann (August 15, 1925 – September 24, 2025) was born in Hanover.
He was the oldest notable rower, having competed in the men's coxed four at the 1952 Summer Olympics.
Now the oldest notable rower is the Briton Tony Pursell, born on July 5, 1926, who participated in the 1948 Olympics.

https://www.drc1884.de/wir-trauern-um-guenter-peter-twiesselmann/

Marjorie Eleanora Johnson was born on August 9, 1919, and died on October 30, 2025. She was the oldest living notable baker, born in Hennepin County, Minnesota, and lived in Robbinsdale, Minnesota. Johnson won over 2,500 ribbons at fairs, including over 1,000 blue ribbons and numerous contest ribbons.
She had dwarfism, measuring 142.24 cm.
I haven't located her successor as the oldest living notable baker yet.

https://www.kaaltv.com/news/marjorie-johnson-minnesotas-blue-ribbon-baker-dies/

Gladys Stone Wright (March 8, 1925 – October 29, 2025) was born in Wasco, Oregon and lived in West Lafayette, Indiana.
She was an American bandmaster. She was one of the first women to hold that position in the United States. Wright was also a composer, writer, music judge, and lecturer, having received numerous awards for her work.
She was the oldest living notable bandmaster.
I have not found her successor.

https://www.purdue.edu/bands/remembering-gladys-stone-wright/?fbclid=IwdGRleANw4A1leHRuA2FlbQExAAEe1WWBnXJ3OVcmTvzyrSV_TnowUtMDh2p5ITbw070ikhV9g301HkPD4FG9HAk_aem_aLXvxu5UF-8-6-W3_vn0NA

Leo Leandros (August 23, 1923 – October 31, 2025) was born in Astakos, Aetolia-Acarnania and died in Pefki, Euboea. He was a Greek musician, composer, singer, songwriter, lyricist, and music producer.

He was the oldest living notable music producer, and co-composed (along with Klaus Munro) "Après toi," winner of the 1972 Eurovision Song Contest, which Vicky performed representing Luxembourg.
I have not found his successor as the oldest living music producer.

https://www.ieidiseis.gr/showbiz/616211/pethane-se-ilikia-102-eton-o-pateras-tis-viky-leandros-kai-toy-apres-toi/

Ralph Abbott Senensky (May 1, 1923 – November 1, 2025) was an American television director and screenwriter.

He was born in Mason City, Iowa, USA, and died in Carmel-by-the-Sea, California, USA.

He directed numerous episodes for dozens of television shows, as well as made-for-TV movies from 1958 to 1988, including The Fugitive, Naked City, Route 66, Mission: Impossible, Dynasty, The Paper Chase, The Big Valley, The Wild Wild West, Eight Is Enough, The Rookies, Trapper John, MD, Dr. Kildare, Breaking Point, 12 O'Clock High, The FBI, The Courtship of Eddie's Father, Dan August, Nanny and the Professor, Barnaby Jones, Insight, Hart to Hart, Death Cruise, The New Adventures of Heidi, the original Star Trek series, The Twilight Zone, Ironside, The Partridge Family, and The Waltons. He also directed most of the feature film Harper Valley PTA. On Breaking Point, he directed an episode that featured one of the first gay storylines on a TV series. He directed six full episodes of Star Trek and was fired during the filming of “The Tholian Web.” Among the episodes of The Waltons, he also directed other episodes. Senensky directed “Grandma Comes Home,” which earned an Emmy nomination for Ellen Corby.

He was the oldest living television director and screenwriter

I could not find the oldest living notable television director

I believe the screenwriter is Józef Hen, a Pole from Warsaw, born on November 8, 1923

https://www.hollywoodreporter.com/tv/tv-news/ralph-senensky-dead-star-trek-waltons-dynasty-1236415780/

Paul Robert Ignatius (November 11, 1920 – November 6, 2025) was an American government official and businessman who served as the 59th Secretary of the Navy from 1967 to 1969 during the administration of Lyndon B. Johnson. Previously, he had been Assistant Secretary of the Army in 1964.
He was the oldest living notable government official
He was born in Glendale, California, and died in Washington
Now the oldest living government official is María Isabel Rodríguez, born in San Salvador, El Salvador. In 2009, she was appointed Minister of Health of El Salvador, a position she held until 2014.

https://www.nytimes.com/2025/11/06/us/politics/paul-ignatius-dead.html

Theodore Ringwalt Hartley (Omaha, November 6, 1924 – New York, October 10, 2025) was a U.S. Navy fighter pilot, investment banker, actor, film and theater producer, and CEO of RKO Pictures.
Of the professions above, he was the oldest known notable living investment banker and theater producer.
There is no information about who these people are currently.

https://www.easthamptonstar.com/obituaries/20251113/ted-hartley-actor-studio-head-banker-painter

Ernest Paul Mamvura Mwazha (October 25, 1918 – November 20, 2025) was a Zimbabwean cleric. His followers refer to him as Mutumwa, which translates as "angelic messenger" in Shona. He was the founder and leader of the African Apostolic Church.
He was the oldest known cleric.
After his death, the Ghanaian Osmanu Nuhu Sharubutu (born April 23, 1919) is the oldest known cleric to date.

https://www.heraldonline.co.zw/breaking-archbishop-paul-mwazha-dies/

Margarita Ana María Frenk y Freund (August 21, 1925 – November 21, 2025) was a German-Mexican philologist born in Hamburg; she died in Mexico City.
She was also a folklorist and translator.
She was the oldest known notable folklorist and philologist.
I don't know who these people are now.

https://www.excelsior.com.mx/expresiones/muere-margit-frenk-una-filologa-sabia-y-calida/1753194

Aluf Dan Tolkowsky (January 17, 1921 – November 28, 2025) was an Israeli military officer who served as commander of the Israeli Air Force from 1953 to 1958. A prominent investor, he helped found Israel's first venture capital fund. He was the oldest living notable air force member, now that person is James Henry Harvey III (born July 13, 1923) of the USA.

He was also the oldest living notable major, who is now the Polish Jakub Tomasz Nowakowski, born December 4, 1924.

https://www.jpost.com/israel-news/article-876559

Charles Norman Shay (June 27, 1924 – December 3, 2025) was an American Penobscot tribal elder, writer, and decorated veteran of World War II and the Korean War. In addition to the Bronze Star and Silver Star, Shay also received the Legion of Honor, becoming the first Native American in Maine with the French knighthood distinction.

He was the oldest living survivor of the Korean War and a Penobscot tribal elder.

I couldn't find who succeeded him in those positions.

https://www.independent.co.uk/news/omaha-beach-france-paris-normandy-germany-b2877317.html

Ena Collymore-Woodstock (September 10, 1917 – December 2, 2025) was a Jamaican lawyer and magistrate.
She was the oldest known living notable lawyer and magistrate.
I haven't found anyone who currently holds that position.

https://jamaica-gleaner.com/article/news/20251203/trailblazer-ena-collymore-woodstock-dies-108

Iris Vidaillet Peterson (October 11, 1921 – November 17, 2025) was an American flight attendant who worked for United Airlines for 60 years, between 1946 and 2007. At the time of her retirement, at age 85, she was the company's longest-serving employee.
She was the oldest living flight attendant of note.
I couldn't find who succeeded her.

She born in Menan, Idaho

https://obituaries.seattletimes.com/obituary/iris-vidaillet-peterson-copin-1093363505

Radu Theodoru (January 17, 1924 – December 8, 2025) was a Romanian writer, general, far-right politician, and Holocaust denier.
He was the oldest living notable Holocaust denier.
He was born in Ineu, Arad County, Romania and died in Bucharest.
I couldn't find who succeeded him now.

https://adevarul.ro/stiri-interne/evenimente/a-murit-generalul-radu-theodoru-controversatul-2493065.html

Posted by: @diego

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Radu Theodoru (January 17, 1924 – December 8, 2025) was a Romanian writer, general, far-right politician, and Holocaust denier.
He was the oldest living notable Holocaust denier.
He was born in Ineu, Arad County, Romania and died in Bucharest.
I couldn't find who succeeded him now.

https://adevarul.ro/stiri-interne/evenimente/a-murit-generalul-radu-theodoru-controversatul-2493065.html

Really?

Władysław Siemaszko (June 8, 1919 – December 11, 2025) was a Polish publicist and lawyer, a member of the Polish resistance Armia Krajowa (AK), and the author of numerous publications focusing on the massacres of Poles in Volhynia.
He was born in Curitiba, Paraná, Brazil.
He was the oldest living publicist and the oldest living lawyer (notables).
I couldn't locate the oldest publicist.
The oldest living notable lawyer now is Sir Sydney Woolf Kentridge, born on November 5, 1922, in Johannesburg, Transvaal, Union of South Africa.

https://www.o2.pl/informacje/nie-zyje-wladyslaw-siemaszko-mial-106-lat-7231764643326912a

Betty Reid Soskin (née Charbonnet; September 22, 1921 – December 21, 2025) was an American National Park Service ranger assigned to the Rosie the Riveter Home Front World War II National Historical Park in Richmond, California. Until her retirement on March 31, 2022, at age 100, she was the oldest serving National Park Service ranger in the United States.

Born in Detroit, Michigan, USA, died in Richmond, California, USA.
She was the oldest living ranger still in service; I haven't yet found who succeeded her.

https://www.grandviewindependent.com/betty-reid-soskin-nations-oldest-park-ranger-and-civil-rights-pioneer-dies-at-104/

Howard Tucker (July 10, 1922 – December 22, 2025) was an American neurologist who practiced medicine from 1947 to 2022. In addition to becoming a lawyer and passing the Ohio Bar exam at age 67 in 1989, Tucker was recognized by Guinness World Records as the world's oldest practicing physician.
He was born and died in Cleveland, Ohio, USA.

I couldn't find the oldest notable neurologist right now.

https://fox8.com/news/cleveland-neurologist-the-worlds-oldest-practicing-doctor-dies-at-103/

Volodymyr Olexandrovych Marchenko (July 7, 1922 – January 1, 2026) was a Ukrainian mathematician specializing in mathematical physics.

He was born in Kharkiv and was the oldest living notable mathematician.

For four decades, he headed the Department of Mathematical Physics at the Verkin Institute of Low-Temperature Physics and Engineering of the National Academy of Sciences of Ukraine.

He was awarded the Lenin Prize in 1962, the NN Krylov Prize in 1980, the State Prize of Ukraine in Science and Technology in 1989, and the NN Bogolyubov Prize in 1996. Since 1969, he was a member of the National Academy of Sciences of Ukraine, since 1987 of the Russian Academy of Sciences, and since 2001 of the Royal Norwegian Society of Science and Letters.

With his death, Herman Chernoff, born on July 1, 1923, in New York, USA, becomes the oldest living notable mathematician.

https://www.nas.gov.ua/news/z-glibokim-sumom-spovishchayemo-shcho-1-sichnya-cr-na-104-mu-roci-pishov-iz-zhittya-vidatniy-ukranskiy-matematik-ta-organizator-nauki-akademik-nan-ukrani-volodimir-oleksandrovich-marchenko

Rear Admiral John Oliver Roberts CB (April 4, 1924 – December 27, 2025) was a Royal Navy officer who served as flag officer of Naval Air Command.
He was the oldest living Royal Navy officer, now I don't know who that person is.

https://announcements.telegraph.co.uk/marketplace/advert/roberts-notices_65200

Robert Gerson Shulman (March 3, 1924 – January 11, 2026) was an American biophysicist and Sterling Professor Emeritus of Molecular Biophysics and Biochemistry and senior research scientist in the Department of Diagnostic Radiology at Yale University.
He was born in New York.
He was the oldest living notable biophysicist.
Now I don't know who succeeds him.

https://news.yale.edu/2026/01/13/robert-g-shulman-yale-biophysicist-and-pioneer-spectroscopy