Julius Robert von Mayer
Physicist who developed the first law of thermodynamics
A physician and physicist contributed significantly to the understanding of energy conservation. Formulated the first law of thermodynamics, establishing the principle of energy conservation in physical processes. Conducted extensive research in various fields, including thermodynamics and kinetic theory. Published major works that laid foundational aspects of classical physics.
Formulated the first law of thermodynamics
Contributed to the concept of energy conservation
Studied circulation of blood and heat in the body
Other People Born on November 25th
Remona Fransen
Dutch pentathlete and Olympian
Born
November 25th, 1985 40 years ago
Competed in the modern pentathlon, participating in the 2012 London Olympics. Achieved multiple national titles and represented the Netherlands in various international competitions. Started athletic career in fencing and transitioned into modern pentathlon, incorporating swimming, riding, and running.
Continue ReadingArmando Villanueva
Peruvian Politician, 121st Prime Minister
Born
November 25th, 1915 110 years ago
Died
April 14th, 2013 13 years ago — 97 years old
Served as Prime Minister of Peru from 1956 to 1958. Held various governmental roles including Minister of Agriculture and Minister of Economy. Contributed to political development and economic policies in Peru during the mid-20th century. Participated in the Peruvian Congress and was influential in legislative processes.
Continue ReadingKatie Cassidy
American actress from 'Arrow' series
Born
November 25th, 1986 39 years ago
An actress gained prominence through roles in television and film. Played Laurel Lance in the television series 'Arrow,' which aired from 2012 to 2020. Also appeared in the horror films 'When a Stranger Calls' and 'Black Christmas.' Explored various characters across multiple genres, contributing to a solid career in the entertainment industry.
Continue ReadingKaja Juvan
Slovenian tennis player with WTA titles
Born
November 25th, 2000 25 years ago
A professional tennis player from Slovenia, achieved significant success on the WTA Tour. Gained attention for strong performances in junior competitions, winning the junior title at the 2018 French Open. Transitioned to the women's circuit and secured her first WTA title in 2021 at the 250 series event in Portorož. Consistently competed in major tournaments, including the Australian Open, French Open, Wimbledon, and US Open, advancing through the early rounds against higher-ranked opponents. Attained a career-high singles ranking within the top 100, reflecting a steady rise in professional tennis.
Continue ReadingOsanna of Cattaro
Dominican visionary and anchoress
Born
November 25th, 1493 532 years ago
Died
1565 461 years ago — 72 years old
Born in 1493, a significant figure in the Dominican Order served as a visionary and anchoress in Cattaro. Emphasized the importance of spirituality and religious devotion, guiding many through her experiences and writings. Established a community of followers who sought spiritual guidance. Recognized for her intense prayer life and mystical encounters, which influenced contemporaries and later followers within the Catholic tradition.
Continue ReadingTalen Horton-Tucker
Professional basketball player with Lakers
Born
November 25th, 2000 25 years ago
Professional basketball player, drafted by the Los Angeles Lakers in 2019. Played college basketball at Iowa State, showcasing strong skills as a guard. Contributed to the Lakers' performance during the 2020 NBA season, including participation in the playoffs. Recognized for versatility on the court, facilitating plays and scoring opportunities. Displays notable agility and defensive capabilities on the basketball court.
Continue ReadingOther People Who Died on March 20th
Alexios III Megas Komnenos
Emperor of Trebizond
Born
1338 688 years ago
Died
March 20th, 1390 636 years ago — 52 years old
Ruled as the Emperor of Trebizond from 1349 until 1390. Oversaw a period marked by internal strife and external threats, particularly from the Ottoman Turks. Engaged in diplomatic efforts to strengthen the empire's position, including alliances with neighboring powers. His reign featured a blend of Byzantine traditions and local governance. The eventual decline of the empire was evident during his rule, with significant territorial losses occurring. Death occurred in 1390, leaving the empire in a vulnerable state.
Continue ReadingStewart Udall
American Secretary of the Interior
Born
January 31st, 1920 106 years ago
Died
March 20th, 2010 16 years ago — 90 years old
Served as the 37th United States Secretary of the Interior from 1961 to 1969 under Presidents John F. Kennedy and Lyndon B. Johnson. Played a key role in the creation of several national parks, including the expansion of the National Park System. Focused on environmental issues and advocated for conservation efforts during a transformative era in American environmental policy. Worked on the establishment of the Land and Water Conservation Fund, which aimed to protect natural resources.
Continue ReadingJoseph Aspdin
English businessman and cement inventor
Born
1788 238 years ago
Died
March 20th, 1855 171 years ago — 67 years old
A significant figure in the history of construction, a businessman pioneered the development of Portland cement in the early 19th century. The invention, which involved heating limestone and clay in a kiln, allowed for stronger building materials that contributed to the modernization of construction techniques. This innovative cement became widely used, laying the groundwork for future advancements in concrete technology. The first patent for Portland cement was granted in 1824, which established a foundation for the cement industry.
Continue ReadingThomas Seymour
English general and politician, 1st Baron
Born
1508 518 years ago
Died
March 20th, 1549 477 years ago — 41 years old
1st Baron Seymour of Sudeley served as an English general and politician during the Tudor period. He was appointed Lord Warden of the Cinque Ports. Seymour was a prominent figure in court politics and held significant power during the reign of Edward VI. He married Catherine Parr, the widow of Henry VIII, which elevated his status. After Parr's death, his ambitions led to political intrigue and conflict with the governing council. His attempts to consolidate power ultimately resulted in his arrest and execution for treason in 1549.
Continue ReadingTonie Nathan
Radio host and political pioneer
Born
February 9th, 1923 103 years ago
Died
March 20th, 2014 12 years ago — 91 years old
A radio host and producer, contributed significantly to the political landscape through early work in broadcasting. In 1972, became the first woman in the United States to receive an electoral vote for the presidency as a candidate for the Libertarian Party. This historic candidacy represented a notable shift in third-party politics at the time. Engaged in advocacy for civil liberties and individual rights, hosting programs that addressed various social issues. Actively participated in numerous radio shows, shaping public conversations around political engagement and personal freedom.
Continue ReadingAmadeus William Grabau
Geologist and paleontologist
Born
1870 156 years ago
Died
March 20th, 1946 80 years ago — 76 years old
A geologist and paleontologist contributed significantly to the understanding of Earth's history and the development of geological sciences. Grabau studied various geological formations and is recognized for his research on fossil invertebrates and stratigraphy. He authored several influential texts, including 'Principles of Stratigraphy', which laid the foundation for modern geological studies. He also played a key role in paleontological expeditions across China and the United States, enhancing the scientific community's knowledge of prehistoric life.
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