Ottokar I
Duke of Bohemia during the early 13th century
Duke of Bohemia during the early 13th century
1155
870 years ago
Leaders & Politicians
Czech Republic
Ruled as the Duke of Bohemia from around 1192 until death in 1230. Restructured the duchy into a significant political entity within the Holy Roman Empire. Aligned with influential nobles and managed to consolidate power during a tumultuous period. Established relations with the Church that helped to stabilize his reign. His tenure set the groundwork for the later rise of the kingdom of Bohemia.
Consolidated power in the Duchy of Bohemia
Established relationships with the Church
Contributed significantly to library science and education in the United States. Worked as an educator and librarian in various institutions. Published widely on library science, history, and education practices. Served as the first African American librarian at the Los Angeles Public Library. Focused on the importance of libraries in urban education and community service.
Continue ReadingA physiologist and engineer, contributed significantly to the fields of physiology and biomedical engineering. Served as a professor at Brunel University in London and was a prominent figure in promoting science education through television programs. Developed the Wolff's Periodic Table as a tool in psychophysics and engineering. His work focused on the relationship between physiology and engineering principles.
Continue ReadingContributions to probability theory included foundational work on stochastic processes and Brownian motion. Developed concepts that bear his name, such as Lévy processes. Served as a professor at the Collège de France and influenced the field through published works. In addition, introduced Lévy-Cramér theorem and Lévy continuity theorem, impacting theoretical and practical applications in mathematics.
Continue ReadingServed as a U.S. Senator from Wisconsin from 1957 to 1989. Known for his persistent efforts to reduce government waste and spending. Utilized the Golden Fleece Award to highlight wasteful government projects. Proxmire was also a member of the U.S. Army during World War II and engaged in journalism after the war. Advocated for various social issues throughout his political career.
Continue ReadingAn animator, director, producer, and screenwriter, co-founded The Walt Disney Company, which became one of the leading entertainment conglomerates worldwide. Created iconic characters such as Mickey Mouse and was a pioneer in the development of animated films. Produced landmark movies like 'Snow White and the Seven Dwarfs' and 'Fantasia'. Innovated theme parks with the establishment of Disneyland. Contributed significantly to the animation industry and children's entertainment through various projects.
Continue ReadingPlayed professional ice hockey primarily as a defenseman in the National Hockey League (NHL) for the Chicago Blackhawks from 1969 to 1979. Served as team captain during his time with the Blackhawks. Transitioned into coaching after retirement, leading various junior leagues and NHL teams. Inducted into the Chicago Sports Hall of Fame for contributions to the sport.
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