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Фридрих Энгельс
The theoretical contribution to the economics and statistics of the following prominent scientists and public figures is resurrected and described. Firstly, Marx’s associate, but largely independent figure - F. Engels, secondly, Nobel Prize winner of 1972 Kenneth J. Arrow, in ensemble with the subject article "Efficiency", thirdly, striking statistician, who concurred with E. Slutsky, - G.U. Yule, fourthly, the founder of the quantity theory of money David Hume, then, one of the authors of the monetary reform of 1922-1924 held in Soviet Russia - Leonid N. Yurovsky, then, one of the first major American economists Allyn Abbott Young, then two prominent pre-revolutionary Russians - academician Ivan I. Yanzhul, and the teacher of Ladislaus von Bortkiewicz - Corr. of Petersburg Academy of Sciences Yulii Janson.