Gemma Frisius
Mathematician and cartographer, contributed to mapping
Born in 1508, a mathematician and cartographer contributed significantly to the field of geography. Developed techniques for surveying and mapmaking that advanced cartographic practices. Authored several works on mathematics and geography and promoted the use of triangulation in mapmaking, greatly enhancing the accuracy of maps. The invention of the astrolabe and contributions to the understanding of gnomonics further distinguished this figure as a key player in mathematics and navigation.
Produced notable works in mathematics
Advanced cartography with triangulation techniques
Authored geographic texts influencing subsequent generations
Other People Born on December 9th
Grace Hopper
Computer Scientist and COBOL Designer
Born
December 9th, 1906 119 years ago
Died
1992 33 years ago — 86 years old
An American computer scientist and naval officer contributed to the development of computer programming languages. Developed the COBOL programming language, which became widely used in business applications. Served as a Commodore in the U.S. Navy Reserve, advancing through the ranks and providing guidance on computer technology and education. Hopper received numerous awards for contributions to computing, including the National Medal of Technology and Innovation.
Continue ReadingMartin de Porres
Peruvian saint and patron of social justice
Born
December 9th, 1579 446 years ago
Died
November 3rd, 1639 386 years ago — 59 years old
Born in Lima, Peru, in 1579, he became a lay member of the Dominican Order and dedicated life to helping the poor and marginalized. Renowned for his work in the field of health and welfare, he established an orphanage and a children's hospital. His efforts in serving the needy and promoting social justice are widely recognized. Canonized as a saint in 1962, he is often invoked for matters of equality and community assistance.
Continue ReadingDouglas Fairbanks Jr.
Actor and producer; The Great Ziegfeld
Born
December 9th, 1909 116 years ago
Died
May 7th, 2000 25 years ago — 90 years old
An American actor and producer who emerged in the film industry during the early 20th century. Gained recognition for performances in silent films and transitioned successfully into talkies. Notable roles included titles in 'The Great Ziegfeld' and 'The Prisoner of Zenda'. Served in the United States Navy during World War II. Later worked as a producer, contributing to various theatrical productions and films.
Continue ReadingMargaret Brundage
Illustrator of Weird Tales magazine
Born
December 9th, 1900 125 years ago
Died
1976 49 years ago — 76 years old
An American illustrator gained prominence in the 1920s and 1930s through illustrations for pulp magazines. Primarily associated with Weird Tales, Brundage created iconic cover art that defined the magazine's visual identity. Her work attracted attention for its dynamic and often fantastical imagery, contributing significantly to the fantasy genre. Brundage was one of the first female illustrators to gain recognition in a male-dominated field, highlighting the blend of art and storytelling in pulp fiction. Throughout her career, she faced both challenges and opportunities, ultimately establishing a lasting legacy within the pulp magazine industry, influencing future artists and illustrators.
Continue ReadingGustavus Adolphus of Sweden
Swedish King and military leader
Born
December 9th, 1594 431 years ago
Died
1632 393 years ago — 38 years old
A monarch who reigned from 1611 to 1632, implemented significant military reforms that modernized the Swedish army, and led Sweden during the Thirty Years' War. The introduction of mobile artillery and the use of combined arms tactics were hallmarks of his military strategy. Gustavus Adolphus achieved numerous victories, including the Battle of Breitenfeld, which was pivotal in establishing Sweden as a major European power. His efforts contributed to the rise of Protestantism in Europe, and he is often regarded as a key figure in the military history of Sweden.
Continue ReadingMaksim Bahdanovič
Belarusian poet and literary critic
Born
December 9th, 1891 134 years ago
Died
May 25th, 1917 108 years ago — 25 years old
Born in 1891, an influential Belarusian poet and literary critic hailed for contributions to Belarusian literature. Bahdanovič's works often explore themes of national identity and personal struggle. He published various collections of poetry, with his most notable work being 'Venok' which showcased his distinctive style and poignant imagery. His literary efforts significantly shaped Belarusian cultural consciousness during a period of national awakening. The poet's life was cut short in 1917, but his legacy remains vital in Belarusian literature and continues to inspire future generations of writers.
Continue ReadingOther People Who Died on May 25th
J. R. Simplot
Businessman and founder of Simplot
Born
1909 116 years ago
Died
May 25th, 2008 17 years ago — 99 years old
An American businessman established a food processing company primarily known for frozen potato products. The company played a significant role in providing French fries to major fast-food chains across the United States. In addition to food production, engaged in agriculture, ranching, and real estate, contributing to the growth of the Idaho economy.
Continue ReadingRuby Payne-Scott
Australian physicist and astronomer
Born
May 28th, 1912 113 years ago
Died
May 25th, 1981 44 years ago — 68 years old
Contributed significantly to radio astronomy in Australia. Worked at the Commonwealth Scientific and Industrial Research Organisation (CSIRO), where research advanced understanding of solar emissions and their effects on the Earth. Played a key role in developing techniques for detecting solar radio bursts, which enhanced knowledge of solar activity. Provided foundational work in radio astronomy during a time when women faced significant barriers in the scientific community.
Continue ReadingGeorge Floyd
Victim of police brutality incident
Born
October 14th, 1973 52 years ago
Died
May 25th, 2020 5 years ago — 46 years old
A Minneapolis resident became widely recognized following an incident involving police brutality on May 25, 2020. The fatal encounter with law enforcement sparked global protests against systemic racism and police violence. Activists emphasized the need for police reform and increased awareness of racial injustice. The incident prompted conversations around the Black Lives Matter movement and led to significant social and political discourse.
Continue ReadingPope Gregory VII
Pope and reformer during the Investiture Controversy
Born
1020 1005 years ago
Died
May 25th, 1085 940 years ago — 65 years old
Pope Gregory VII served as the head of the Catholic Church from 1073 until his death in 1085. He was a key figure in the Investiture Controversy, which was a conflict between the papacy and secular rulers over the appointment of bishops and church officials. His papacy emphasized clerical reform and the independence of the Church from secular influence. Gregory issued the Dictatus Papae, which outlined the powers of the pope, including the ability to depose emperors. After a series of conflicts with German Emperor Henry IV, he was eventually exiled but continued to assert papal authority until his death.
Continue ReadingPeter III of Portugal
Monarch; King of Portugal
Born
1717 308 years ago
Died
May 25th, 1786 239 years ago — 69 years old
Ascended to the throne in 1777. Ruled briefly as King of Portugal and was instrumental in promoting the liberal ideas of the Enlightenment. His reign was characterized by efforts to streamline the administration and modernize the Portuguese state. Although the reign lasted only a few months before his death, significant changes in government took place during this period.
Continue ReadingHenry Ossawa Tanner
Painter of 'The Banjo Lesson'
Born
June 21st, 1859 166 years ago
Died
May 25th, 1937 88 years ago — 77 years old
An American-French painter and illustrator, Tanner specialized in genre scenes and biblical subjects. Born in 1859, Tanner faced racial discrimination while pursuing artistic education in the United States. He studied at the Pennsylvania Academy of the Fine Arts under Thomas Eakins. In 1891, Tanner became the first African American painter to achieve significant recognition in Europe. His work includes notable pieces such as 'The Banjo Lesson,' which exemplifies his focus on African American life. He later moved to France, where he continued to develop his style, drawing from experiences in both America and Europe. Tanner's contributions to the art world include a focus on spirituality and dignity in the depiction of Black subjects.
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