Sophus Lie

Norwegian mathematician, founder of Lie groups

Sophus Lie - Scientists & Innovators born December 17th, 1842
Born
Died

1899
126 years ago — 57 years old

Category

Scientists & Innovators

Country

Norway

Links & References

Born in Norway in 1842, a mathematician made significant contributions to the field of mathematics, particularly in the area of differential equations and algebraic structures. Developed the theory of continuous transformation groups, which laid the foundation for what is now known as Lie groups. These groups have numerous applications in various branches of mathematics and theoretical physics. Held academic positions at several universities, enhancing mathematical education and research throughout Europe.

Founded the theory of Lie groups

Published 'Über den Entwickelung der Gruppen' in 1880

Contributed to the study of differential equations

Other People Born on December 17th

Pope Francis

Religious leader and head of the Catholic Church
Born
December 17th, 1936 88 years ago

Born in Argentina, this religious leader became the first pope from the Americas in 2013. His papacy has focused on issues such as social justice, environmental stewardship, and interfaith dialogue. This leader adopted the name Francis in honor of Saint Francis of Assisi, reflecting a commitment to humble service and care for the poor. The leader has also addressed global issues like migration and climate change during his tenure.

Continue Reading

Prince Rupert of the Rhine

Military leader and Royalist commander
Born
December 17th, 1619 405 years ago
Died
1682 343 years ago — 63 years old

Born in 1619, served as a commander in the English Civil War for the Royalist forces. Participated in key battles, including the Battle of Edgehill and the Battle of Marston Moor. Noted for military innovation, particularly in cavalry tactics. After the war, became a prominent figure in the development of both art and science, engaging in various pursuits including painting and the exploration of scientific principles. Later held a position as the Governor of royalist-controlled Gloucester.

Continue Reading

Dave Madden

Actor on The Partridge Family
Born
December 17th, 1931 93 years ago
Died
January 16th, 2014 11 years ago — 82 years old

An actor gained recognition for portraying manager Reuben Kincaid on the television series The Partridge Family. Started career in the 1960s and made numerous television guest appearances, often in comedic roles. Also lent voice to characters in animated series, including the cartoon version of The Partridge Family. Acted in films and theater, showcasing versatility.

Continue Reading

Craig Kielburger

Canadian activist and author of books
Born
December 17th, 1982 42 years ago

An activist focused on children's rights, founded the organization Free the Children at age 12. Authored several books emphasizing social issues and youth advocacy. Established WE Charity, which aimed to alleviate poverty and improve education globally. Engaged in numerous speaking events and initiatives promoting volunteerism and ethical living.

Continue Reading

Prince Joachim of Prussia

German Prince and military officer
Born
December 17th, 1890 134 years ago
Died
1920 105 years ago — 30 years old

Born into the House of Hohenzollern, served as an officer in the German Army during World War I. Held the rank of lieutenant and became a prominent figure in military circles. After the war, navigated the political landscape of post-war Germany and was involved in various charitable activities and organizations. Contributed to the preservation of the history and legacy of the Prussian royal family. Spent the later years of life managing family estates and engaged in public life before passing away.

Continue Reading

Irving Petlin

American painter and academic
Born
December 17th, 1934 90 years ago
Died
2018 7 years ago — 84 years old

An American painter and academic focused on figurative art, explored themes of struggle and resilience. Worked extensively in various media, including painting and printmaking. Contributed to art education through teaching positions at multiple institutions. Exhibited work in numerous galleries and museums, showcasing a unique artistic vision.

Continue Reading