Edwin Hall
Physicist and Hall effect discoverer
Physicist and Hall effect discoverer
1855
171 years ago
Scientists & Innovators
United States
Contributed significantly to the fields of physics and electricity. Developed the Hall effect, which describes the behavior of electric charges in a conductor subjected to a magnetic field. This phenomenon has important applications in solid-state physics and engineering. Served as a professor at Harvard University and published extensively on the properties of magnetic fields and electric currents. Made notable contributions to understanding the effects of magnetic fields on semiconductors.
Developed the Hall effect in 1879
Served as a professor at Harvard University
Published influential papers on electromagnetism
An American painter and illustrator, contributed significantly to the art of lithography in the 19th century. Worked on a variety of landscapes and historical scenes, showcasing the culture and scenery of early America. Created numerous illustrations for books, magazines, and other publications, influencing subsequent generations of artists. Established a reputation for accuracy and detail in representations of American landscapes.
Continue ReadingContributed significantly to the development of non-Euclidean geometry. Established mathematical theories alongside his son, János Bolyai. Served as a professor at the University of Marosvásárhely. Published works that laid foundational insights for later mathematical advancements, influencing both geometry and philosophy of mathematics.
Continue ReadingServed as the first Prime Minister of Rhodesia from 1965 to 1979, leading the country during its Unilateral Declaration of Independence from Britain. Played a crucial role in the Rhodesian Bush War, a conflict between the white-minority government and black nationalist movements. Advocated for minority rule and resistance against majority governance and was involved in negotiations that ultimately led to the end of white-minority rule. After leaving office, resided in South Africa.
Continue ReadingContributed significantly to the field of chemistry and physics through the development of the mass spectrograph. This innovation allowed for precise measurements of atomic masses and the identification of isotopes, which advanced the understanding of chemical elements. Received the Nobel Prize in Chemistry in 1922 for the invention of the mass spectrograph and the discovery of isotopes. Held various academic positions throughout his career and published numerous scientific papers, which furthered research in atomic structure and behavior.
Continue ReadingAn author, screenwriter, and critic, contributed significantly to Italian literature and cinema. Wrote screenplays for several acclaimed films and authored notable literary works. His writing style combined wit with a keen sense of observation, often exploring themes of existentialism. Received the Strega Prize in 1975 for the novel 'Tempo di uccidere', which gained recognition for its poignant narrative. Worked in various capacities within the Italian film industry and was involved in directing and producing.
Continue ReadingServed as the first president of the Central African Republic from 1960 to 1966. Elevated to this position after the country gained independence from France. Implemented policies aimed at centralizing power and developed plans for economic development. Overthrown in a coup led by Jean-Bédel Bokassa in 1966. Returned to politics and briefly served as president again in 1979.
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