Frederick A. Matsen
Born July 26, 1913 in Racine, Wisconsin, USA. Emeritus Professor of Chemistry and Physics, University of Texas, Austin, Texas, USA.
Guggenheim Fellow (1951); NSF Senior Postdoctoral Fellow (1961); American Physical Society Fellow (1964); Löwdin Distinguished Lecturer (Uppsala University, Sweden) (1986); Establishment of the annual F.A. Matsen Regental Lectures on the Theories of Matter (1988).
Author of:
250 published papers. "Quantum Chemistry Integrals and Tables" (with J. Miller and J.M. Gerhauser), The University of Texas Press (1959); "Vector Spaces and Algebras for Chemistry and Physics", Holt-Rinehart (1972); "Unitary Group in Quantum Chemistry", (with Ruben Pauncz), Elsevier (1986); "Algorithms, Architectures and Scientific Computation" (with T. Tajima), The University of Texas Press (1986).
Important Contributions:
Molecular orbital theory of aromatic molecules;
Ab initio calculations on diatomic molecules;
The Hückel–Hubbard theory of organic chemistry;
The small-bipolaron theory of cuprate superconductivity;
The prediction of the dipole moment of LiH three years before it was determined experimentally;
The development of spin-free quantum chemistry based on both the symmetric and the unitary group;
The generalization of this concept to nuclei and elementary particles;
Spin glasses and Neural Networks.
An obituary can be found at
https://web2.ph.utexas.edu/utphysicshistory/UTexas_Physics_History/Frederick_Albert_Matsen.html.