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Cake day: May 7th, 2026

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  • William James Sidis’s mother, Sarah (Mandelbaum) Sidis, was a medical doctor who graduated from Boston University School of Medicine in 1897. Sarah and her family immigrated to the United States. in the late 1880s, escaping the pogroms in Russia. Sarah married psychiatrist and psychologist Boris Sidis in 1894.

    Sounds like she lead a pretty interesting life as well.