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Ruth Gall

Ruth Sonabend de Gall, Jewish Polish-born Mexican physicist (Dobrzyn 27 April 1920 – Ciudad de Mexico 26 April 2003)

Authored over 75 papers

Gave the first evidence about variation along day in values of geomagnetic rigidity cutoff of cosmic rays in polar latitudes

Determined the effect of magneto spherical currents on paths of cosmic rays

Produced asymptotic direction maps of cosmic rays

Authored classical works on field of cosmic rays

Daily variation of the asymptotic directions of cosmic rays. J. Geophys. Res. Space Phys. 73:13, 1968

Penetration through the magnetopause and the trapping in its vicinity. J. Geophys. Res. Space Phys. 69(19):4157-61, 1964

The secular variation of the geomagnetic field and the cutoff momenta. J. Phys. Soc. Japan 17 Suppl. A II: 44-8, 1962


Invited as lecturer or visiting professor to many research centers in United States, Europe and Asia

Known as Madame Cosmic Rays in world academic community

Received a medal from College de France (1981)