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John Monroe Van Vleck (March 4, 1833 – November 4, 1912) was an American mathematician and astronomer. He taught astronomy and mathematics at Wesleyan University in Middletown, Connecticut for more than 50 years (1853-1912), and served as acting university president twice.
The Nobel Prize in Physics 1977 was awarded jointly to Philip Warren Anderson, Sir Nevill Francis Mott and John Hasbrouck Van Vleck "for their fundamental theoretical investigations of the electronic structure of magnetic and disordered systems"
Biographical Memoir. Copyright 1987. national aCademy of sCienCes washington d.C. JOHN HASBROUCK VAN VLECK. March 13, 1899-October 27, 1980. BY P. W. ANDERSON. J OHN HASBROUCK VAN VLECK was the most eminent American theoretical physicist between J. Willard Gibbs and the postwar generation.
John Monroe Van Vleck was the first member in a distinguished three member academic dynasty consisting of the grandfather, John Monroe Van Vleck, an astronomer, the father, Edward Burr Van Vleck, a mathematician, and the son, John Hasbrouck Van Vleck, a physicist and Nobel Prize winner in 1977.
13 de mar. de 2017 · For his contributions to the understanding of the behavior of electrons in magnetic, noncrystalline solids, Van Vleck was awarded the 1977 Nobel Prize in Physics, along with his former student Philip Anderson and English physicist Nevill Mott.
Van Vleck was the first to indicate the importance of electron correlation - the interaction between the motions of the electrons. The author of numerous articles and monographs on physics, Van Vleck's 1932 book, Electric and Magnetic Susceptiblities, has remained of central importance in the field of theoretical physics.
12 de abr. de 2024 · Van Vleck developed during the early 1930s the first fully articulated quantum mechanical theory of magnetism. Later he was a chief architect of the ligand field theory of molecular bonding. He contributed also to studies of the spectra of free molecules, of paramagnetic relaxation, and other topics.
