births
Ladislaus Bortkiewicz, Russian-German economist and statistician (died 1931)

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Ladislaus Bortkiewicz
Russian economist and statistician
Ladislaus Josephovich Bortkiewicz was a Russian economist and statistician of Polish ancestry. He wrote a book showing how the Poisson distribution, a discrete probability distribution, can be useful in applied statistics, and he made contributions to mathematical economics. He…Source: Wikipedia (CC BY-SA)