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physics.hist-ph2014
How I got to work with Feynman on the covariant quark model
Finn Ravndal
In the period 1968 - 1974 I was a graduate student and then a postdoc at Caltech and was involved with the developments of the quark and parton models. Most of this time I worked i…
physics.hist-ph2013
Oskar Klein and the fifth dimension
Finn Ravndal
After a short biographical summary of the scientific life of Oskar Klein, a more detailed and hopefully didactic presentation of his derivation of the relativistic Klein-Gordon wav…
physics.hist-ph2005★ 6 cited
On the discovery of Birkhoff's theorem
Nils Voje Johansen, Finn Ravndal
Birkhoff showed in 1923 that the Schwarzschild solution for the metric from a point particle was also valid in the a priori non-static case as long as the spherical symmetry was ma…