Per-Olov Löwdin

male, deceased (2000)
Quantum Theory Project, matrices, swedish, quantum mechanics, matrix, quantum chemistry…perturbationtheory
Per-Olov Löwdin was a Swedish physicist, professor at the University of Uppsala from 1960 to 1983, and in parallel at the University of Florida u...

Charles-Eugène Delaunay

male, deceased (1872)
Astronomer, mathematician, French, University of Paris, moon, convergence…perturbationtheory
Charles-Eugène Delaunay was a French astronomer and mathematician. Born in Lusigny-sur-Barse, France, Delaunay studied under Jean Baptiste Biot at t...
Yusuke Hagihara

Yusuke Hagihara

male, deceased (1979)
Astronomer, Japanese, perturbationtheory, celestial mechanics, James Craig Watson Medal
Yusuke Hagihara was a Japanese astronomer. Hagihara contributed to celestial mechanics and perturbation theory and wrote two lovely books on these...

Sidney Dancoff

male, deceased (1951)
physicist, Nobel Prize, second world war, nuclear reactor, Nuclear physicist, Theoretical physicist…theory of relativity, perturbationtheory, perturbation-theory
Sidney Michael Dancoff was an American theoretical physicist best known for the Tamm-Dancoff approximation method and for nearly developing a...

Charles Angas Hurst

male, 86 years old
mathematician, Australian, perturbationtheory, quantum field theory, International Mathematical Union, Asymptotic expansions
Charles Angas Hurst (born 22 September 1923) AM, PhD, Hon DSc (Melb), is an Australian Mathematical Physicist noted for his work in Lattice models,...