Solomon Aaron Leschinsky (March 27, 1908 – January 26, 1985) was an American inventor. He was born in Montreal, Quebec, Canada to Jewish parents originally from a region near Odessa, Russian Empire. Growing up in Bienfait, Hirsch and Estevan, Saskatchewan, he showed precocity as a mathematician and received his doctorate from the University of Toronto, writing a dissertation on the theory of numbers.
He worked as a statistician and economist for the U.S. State Department and for the United Nations Relief and Rehabilitation Administration (UNRRA). He was also a member of the Washington chapter of American Peace Mobilization. In 1942, he worked for the Select Committee Investigating National Defense Migration of the U.S. House of Representatives called the Tolan Committee. In 1947, he moved out of Washington, D.C. to a farm in Virginia. After farming for eight years, he moved to Los Angeles, California and purchased a furniture factory. He became an inventor and product developer, and successfully manufactured the Tyne-Tot Weaning Cup, a plastic cup designed for babies. He died in Los Angeles, aged 76.
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