Octavio Marcondes Ferraz, Brazilian civil engineer (São Paulo 23 November 1896 – São Paulo 08 February 1990)
Developed an original process of river shunt using cellular caissons in order to construct a hydroelectric plant (1955). This process permitted Brazilians create it without requering foreign specialists.
Zhizhan Xu, Chinese physicist (Changzhou, Jiangsu Province 16 December 1938…
Daniel Gerhardus Krige, South African mining engineer (Bothaville, Free State 26 August…
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