Hanna Neumann
Mathematician, known for group theory

Born
February 12th, 1914
111 years ago
Died
1971
54 years ago — 57 years old
Category
Scientists & Innovators
Country
Germany, Canada
Links & References
Born in Germany, a mathematician focused on group theory and algebraic structures. Emigrated to Canada during World War II and continued academic work. Contributed significantly to specific areas of group theory and its applications. Held positions at several universities, including the University of Illinois and the University of Toronto, while mentoring numerous students and researchers. Served on editorial boards for mathematical journals, helping to advance the field of mathematics through the dissemination of research.
Published influential papers on group theory
Mentored multiple prominent mathematicians
Held professor positions at major universities
Other People Born on February 12th
John L. Lewis
Born in 1880, this individual became a prominent labor leader in the United States. He played a significant role in the labor movement, serving as the president of the United Mine Workers of America from 1920 to 1960. Under his leadership, the union fought for miners' rights, better wages, and improved working conditions. This leader was instrumental in organizing large-scale strikes and advocating for labor policies. His influence extended to establishing the Congress of Industrial Organizations (CIO), which sought to unite workers across different industries. This individual remained a key figure during critical periods of labor unrest, often seen negotiating on behalf of miners.
Continue ReadingTara Strong
A voice actress and singer, contributed to several iconic animated series and films. Gained recognition for voicing characters in popular productions. Work includes roles in 'The Fairly OddParents' as Timmy Turner and 'Teen Titans' as Raven. Involved in various voice acting projects for video games and other media, establishing a prominent career in the field.
Continue ReadingSigmund Rascher
A German physician worked in the field of aviation medicine and conducted experiments during World War II. Rascher often collaborated with the Luftwaffe, studying the effects of high altitude on the human body and establishing protocols for pilots exposed to extreme conditions. His studies included infamous experiments related to hypothermia and freezing at Dachau concentration camp. He was also involved in unethical medical practices, resulting in his later trial for war crimes post-war.
Continue ReadingJoseph Kearns
An American actor gained prominence through a memorable role as the father, Steve, in the television series 'Leave It to Beaver', which aired from 1957 to 1963. Kearns began his career in radio and transitioned to television, appearing in various shows during the early years of the medium. His performance in 'Leave It to Beaver' is often regarded as iconic, representing the quintessential American father figure. Kearns's career was cut short when he passed away in 1962, yet his legacy endures through the continued popularity of the show, influencing perceptions of family life in American culture.
Continue ReadingEugène Atget
A French photographer specialized in documenting the streets and architecture of Paris. Began his career in the late 19th century, providing a visual record of the city before major changes took place. His work captured the essence of Parisian life, showcasing its streets, parks, and historical landmarks. Atget's photographs were primarily created for commercial purposes, intended for artists and architects. However, they later influenced modern photography and art. His extensive portfolio includes thousands of images that highlight the urban landscape, offering a historical perspective on the city.
Continue ReadingLev Shestov
This philosopher contributed to existentialist thought with a focus on the tension between faith and reason. Born in Russia, he studied under prominent scholars and later developed a unique philosophical approach. Works emphasized the subjective experience of existence in contrast to rationalism. Shestov's writings critiqued established philosophical systems and explored themes of despair, freedom, and the role of the individual in confronting life's uncertainties. His ideas continue to resonate in discussions of existential philosophy and the human condition.
Continue Reading