Ladislaus Bortkiewicz, Russian-German economist and mathematician (born 1868)

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 lived most of his professional life in Germany, where he taught at Strassburg University and Berlin University (1901–1931).