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🔗 United States 🔗 Biography 🔗 Mathematics 🔗 United States/Vermont

Zerah Colburn (September 1, 1804 – March 2, 1840) was a child prodigy of the 19th century who gained fame as a mental calculator.

🔗 Biography 🔗 International relations 🔗 Crime 🔗 Finance & Investment 🔗 Politics 🔗 Journalism 🔗 Panama

This is a partial list of people named in the Panama Papers as shareholders, directors and beneficiaries of offshore companies. The International Consortium of Investigative Journalists (ICIJ) released the full list of companies and individuals in the Panama Papers on 10 May 2016. ICIJ published the following disclaimer with regard to the data provided: "There are legitimate uses for offshore companies, foundations and trusts. We do not intend to suggest or imply that any persons, companies or other entities included in the ICIJ Power Players interactive application have broken the law or otherwise acted improperly."

🔗 Biography 🔗 Mathematics 🔗 Military history 🔗 Military history/Military biography 🔗 Cryptography 🔗 Cryptography/Computer science 🔗 Military history/European military history 🔗 Military history/British military history

William Thomas "Bill" Tutte OC FRS FRSC (; 14 May 1917 – 2 May 2002) was a British codebreaker and mathematician. During the Second World War, he made a brilliant and fundamental advance in cryptanalysis of the Lorenz cipher, a major Nazi German cipher system which was used for top-secret communications within the Wehrmacht High Command. The high-level, strategic nature of the intelligence obtained from Tutte's crucial breakthrough, in the bulk decrypting of Lorenz-enciphered messages specifically, contributed greatly, and perhaps even decisively, to the defeat of Nazi Germany. He also had a number of significant mathematical accomplishments, including foundation work in the fields of graph theory and matroid theory.

Tutte's research in the field of graph theory proved to be of remarkable importance. At a time when graph theory was still a primitive subject, Tutte commenced the study of matroids and developed them into a theory by expanding from the work that Hassler Whitney had first developed around the mid 1930s. Even though Tutte's contributions to graph theory have been influential to modern graph theory and many of his theorems have been used to keep making advances in the field, most of his terminology was not in agreement with their conventional usage and thus his terminology is not used by graph theorists today. "Tutte advanced graph theory from a subject with one text (D. Kőnig's) toward its present extremely active state."

🔗 Biography 🔗 California 🔗 Aviation 🔗 Aviation/aerospace biography

On July 2, 1982, Larry Walters (April 19, 1949 – October 6, 1993) made a 45-minute flight in a homemade aerostat made of an ordinary patio chair and 45 helium-filled weather balloons. The aircraft rose to an altitude of about 16,000 feet (4,900 m), drifted from the point of liftoff in San Pedro, California, and entered controlled airspace near Long Beach Airport. During the landing, the aircraft became entangled in power lines, but Walters was able to climb down safely. The flight attracted worldwide media attention and inspired a movie and numerous imitators.

🔗 Biography 🔗 Ukraine

Boris Tymofiyovych Romantschenko (Ukrainian: Борис Тимофійович Романченко; 20 January 1926 – 18 March 2022) was a survivor of the German concentration camps Buchenwald, Peenemünde, Dora and Bergen-Belsen. He was killed during the 2022 Russian invasion of Ukraine.

🔗 Biography 🔗 Biography/arts and entertainment 🔗 Chicago 🔗 Photography 🔗 Photography/History of photography 🔗 Women artists

Vivian Dorothy Maier (February 1, 1926 – April 21, 2009) was an American street photographer whose work was not discovered and recognized until after her death. She worked for about forty years as a nanny, mostly in Chicago's North Shore, while she pursued her photography. She took more than 150,000 photographs during her lifetime, primarily of the people and architecture of Chicago, New York City, and Los Angeles, although she also traveled and photographed worldwide.

During her lifetime, Maier's photographs were unknown and unpublished; many of her negatives were never printed. A Chicago collector, John Maloof, acquired some of Maier's photos in 2007, while two other Chicago-based collectors, Ron Slattery and Randy Prow, also found some of Maier's prints and negatives in her boxes and suitcases around the same time. Maier's photographs were first published on the Internet in July 2008, by Slattery, but the work received little response. In October 2009, Maloof linked his blog to a selection of Maier's photographs on the image-sharing website Flickr, and the results went viral, with thousands of people expressing interest. Maier's work subsequently attracted critical acclaim, and since then, Maier's photographs have been exhibited around the world.

Her life and work have been the subject of books and documentary films, including the film Finding Vivian Maier (2013), which premiered at the Toronto International Film Festival, and was nominated for the Academy Award for Best Documentary Feature at the 87th Academy Awards.

🔗 Biography 🔗 Linux

Wim Odilia Georges Taymans is a Belgian software developer based in Malaga, Spain. He is the original developer behind GStreamer and Pipewire technologies, which provide core multimedia processing capabilities to many modern operating systems.

Taymans started his career in multimedia development on the Commodore 64 and the Amiga writing various games and demos. In 1994 he installed the Linux operating system on his Amiga and has since been involved with the development of various multimedia technologies for the Linux platform. His first efforts on Linux were some assembly optimizations for the rtjpeg library; later, he worked on the Trinity video editor before teaming up with Erik Walthinsen to create the GStreamer multimedia framework.

In 2004 he started working for Fluendo in Spain as employee number 3. While working for Fluendo he designed and wrote most of the 0.10 release series of GStreamer. In July 2007 he left Fluendo and joined with Collabora. As part of his job at Collabora he maintained and developed GStreamer further. In November 2013, Taymans started as a Principal Software Engineer at Red Hat spending most of his time working on upstream GStreamer.

Taymans was the main architect and developer behind the GStreamer 1.0 release which came out on September 24, 2012.

In July 2015, Taymans announced that he was designing Pinos, which became PipeWire, from his position as Principal Engineer at Red Hat. PipeWire is a server for handling audio and video streams on Linux.

🔗 Biography 🔗 Biography/science and academia 🔗 Astronomy 🔗 Middle Ages 🔗 Middle Ages/History

Ala al-Dīn Ali ibn Muhammed (1403 – 16 December 1474), known as Ali Qushji (Ottoman Turkish/Persian language: علی قوشچی, kuşçu – falconer in Turkish; Latin: Ali Kushgii) was an astronomer, mathematician and physicist originally from Samarkand, who settled in the Ottoman Empire some time before 1472. As a disciple of Ulugh Beg, he is best known for the development of astronomical physics independent from natural philosophy, and for providing empirical evidence for the Earth's rotation in his treatise, Concerning the Supposed Dependence of Astronomy upon Philosophy. In addition to his contributions to Ulugh Beg's famous work Zij-i-Sultani and to the founding of Sahn-ı Seman Medrese, one of the first centers for the study of various traditional Islamic sciences in the Ottoman caliphate, Ali Kuşçu was also the author of several scientific works and textbooks on astronomy.

🔗 Biography 🔗 France 🔗 Architecture 🔗 Biography/arts and entertainment 🔗 Craft

Ferdinand Cheval (19 April 1836 – 19 August 1924) was a French postman who spent thirty-three years of his life building Le Palais idéal (the "Ideal Palace") in Hauterives. The Palace is regarded as an extraordinary example of naïve art architecture.

🔗 Biography 🔗 Biography/science and academia 🔗 Israel

Abraham Lempel (Hebrew: אברהם למפל, 10 February 1936 – 4 February 2023) was an Israeli computer scientist and one of the fathers of the LZ family of lossless data compression algorithms.