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
HONOURS
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)