Jakow Trachtenberg
Jakow Trachtenberg (Amụrụ n'ụbọchị 17 June 1888 ruo afọ 1953) bụ onye mgbakọ na mwepụ nke mepụtara usoro mgbakọ uche a na-akpọ usoro Trachtenberg.
A mụrụ ya na Odessa, na Alaeze Ukwu Russia (Ukraine taa). Ọ gụsịrị akwụkwọ na nsọpụrụ kachasị elu na Mining Engineering Institute na St. Petersburg ma mesịa rụọ ọrụ dị ka injinia na ụlọ ọrụ ngwá agha Obukhov. Mgbe ọ ka nọ na mbido afọ iri abụọ, ọ ghọrọ Chief Engineer na ndị ikom 11,000 n'okpuru nlekọta ya. Gọọmentị Tsarist nyere ya ọrụ nke ilekọta nhazi nke ndị agha mmiri mepere emepe.
- Ndepụta nke ndị na-eme udo
Ebenside
dezie- Jakow Trachtenberg, adapted by Ann Cutler and Rudolph McShane (1965). The Speed System of Basic Mathematics. London: Pan Books Ltd. kkkkk