Michał Kalecki
Economist known for business cycle theory
Economist known for business cycle theory
1970
56 years ago — 71 years old
Thinkers & Philosophers
Poland
An economist and academic contributed significantly to the understanding of economic cycles and the role of effective demand. Developed the Kalecki equation, a model that describes the relationship between investment, output, and employment. Explored the interactions between economic policies and business cycles, influencing economic thought in the 20th century. Worked at various universities and institutions, leaving a lasting legacy in economic theory and policy analysis.
Developed the concept of effective demand
Contributed to business cycle theory
Ruled the Tang Dynasty from politics until abdication in 712. Succeeded by his brother. His reign is often marked by court intrigues and significant events in the history of the dynasty. His time as emperor involved challenges related to governance and regional power struggles, ultimately leading to his forced abdication.
Continue ReadingA lieutenant colonel in the British Army, led the successful 1953 British expedition to Mount Everest, achieving the first confirmed ascent of the summit with Sir Edmund Hillary and Tenzing Norgay. Also involved in numerous other expeditions, including the successful ascent of Nanda Devi in 1936. Authored several books on mountaineering and leadership. Held the title of Baron Hunt and contributed to the development of mountaineering as a recognized sport.
Continue ReadingA mathematician and academic contributed significantly to mathematics and physics. Developed the concept of spacetime, integrating time into the three dimensions of space, which transformed the understanding of physics. This foundational work laid the groundwork for Einstein's theory of relativity. Served as a professor at the University of Göttingen and the University of Berlin, influencing future generations of mathematicians and physicists. Published several papers that advanced the field of mathematics, particularly in the areas of number theory and geometry.
Continue ReadingA theater director and producer, focused on expanding the accessibility of theatrical productions. Founded the Public Theater in New York City, which served as a platform for new plays and classic works. Pioneered the 'Shakespeare in the Park' festival, bringing free performances of Shakespeare's plays to the public in Central Park. His work significantly contributed to American theater, emphasizing the importance of community engagement and the promotion of diverse voices in performing arts.
Continue ReadingAn engineer developed the first programmable computer, the Z3, in 1941. This machine utilized electromechanical technology and laid the groundwork for future computers. Zuse also created the Z4, which was among the earliest commercial computers. The design philosophy and programming language developed by Zuse influenced later computing concepts. His work contributed significantly to the field of computer science and engineering.
Continue ReadingDancer and choreographer developed a unique style of dance that blended African and Caribbean elements with European classical techniques. Founded the Katherine Dunham Dance Company, which became one of the first African American dance troupes to receive international acclaim. Conducted extensive research in the Caribbean, earning a PhD in anthropology. Pioneered the use of dance as a form of cultural expression and education. Advocated for civil rights and social justice through art and performance.
Continue Reading