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)
Ennapada Sundaram Ayyar Narayanan, Indian entomologist (Palghat, Malabar 15 February 1904…
Leopoldo Enrique Caltagirone Zamora, US / Chilean agricultural entomologist (Valparaiso 01 March 1927 –…
Oswaldo Gonçalves Cruz, Brazilian sanitarist and microbiologist (São Luiz do…
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