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April 29, 1854: Henri Poincaré is born
Jules Henri Poincaré (1854-1912)
Scientific field: Mathematics, Physics
Known for: Poincaré conjecture, Three-body problem, Topology, Special relativity
Jules Henri Poincaré was a French mathematician, one of the greatest mathematicians and mathematical physicists at the end of 19th century. He made a series of profound innovations in geometry, the theory of differential equations, electromagnetism, topology, and the philosophy of [...]
April 25, 1900: Wolfgang Pauli is born
Wolfgang Ernst Pauli (1900-1958)
Scientific field: Physics
Known for: Pauli exclusion principle
Austrian-born physicist, Wolfgang Pauli was the recipient of the 1945 Nobel Prize for Physics for his discovery in 1925 of the Pauli exclusion principle, which states that in an atom no two electrons can occupy the same quantum state simultaneously. This principle clearly relates the quantum [...]
April 23, 1858: Max Planck is born
Max Karl Ernst Ludwig Planck (1858-1947)
Scientific field: Physics
Known for: Planck’s constant, Quantum theory
Max Planck was a German theoretical physicist with many contributions to theoretical physics, but whose fame rests primarily on his role as originator of the quantum theory. This theory revolutionized our understanding of atomic and subatomic processes, just as Albert Einstein’s theory of [...]
April 22, 1904: Robert Oppenheimer is born
Julius Robert Oppenheimer (1904-1967)
Scientific field: Physics
Known for: Atomic bomb development, Tolman-Oppenheimer-Volkoff limit, Oppenheimer-Phillips process
Julius Robert Oppenheimer was an American theoretical physicist and science administrator, noted as director of the Los Alamos laboratory during development of the atomic bomb (1943–45) and as director of the Institute for Advanced Study, Princeton (1947–66).
In the 1920s the new [...]
April 21, 1774: Jean-Baptiste Biot is born
Jean-Baptiste Biot (1774-1862)
Scientific field: Astronomy, Mathematics, Physics
Known for: Biot-Savart law
Jean-Baptiste Biot was a French physicist who helped formulate the Biot-Savart law, which concerns magnetic fields, and laid the basis for saccharimetry, a useful technique of analyzing sugar solutions.
Educated at the École Polytechnique, Biot was appointed professor of mathematics at the University of Beauvais in 1797, [...]
