José Ugalde Perez, Mexican physician (1883 – 1959)
Patented a drawing board US2424630A (1944)
Proposed a new concept about structure and features of the matter in Teoria omniologica: nuevo concepto sobre la estructura y caracteristicas de la materia (1945)
Developed a formulation and an ionization machine for provoking artificial rains (1956)
Juan Farill y Solares, Mexican orthopedic surgeon and traumatologist (Ciudad de…
Julio Rey Pastor, Spanish / Argentine mathematician (Logroño 14 August…
Felix Nelson Ponnamperuma, Sri Lankan pedologist (Galle, Ceylon 08 July…
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