Wassily Leontief — econ (nobel) with roots in the Russian Empire
Wassily Leontief was a Russian-American economist born in St. Petersburg who won the Nobel Prize in Economics in 1973 for developing input-output analysis — the mathematical framework that maps how industries in an economy depend on each other, now used by every government in the world for economic planning.
Tracing the roots — St. Petersburg
Born in St. Petersburg in 1906 and educated at the University of Leningrad and the University of Berlin before emigrating to the United States, Leontief spent most of his career at Harvard. His input-output tables — mapping the flows of goods and services between every sector of an economy — became the standard tool of national economic planning globally.
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St. Petersburg. At the time, this region lay within the Russian Empire, which spanned from Poland to the Pacific.