
David Rittenhouse
David Rittenhouse was an esteemed American astronomer, inventor, and mathematician, known for his work in developing precise instruments for celestial observations and for his role as the first director of the American Philosophical Society. A prominent figure in the scientific community of his time, Rittenhouse corresponded with notable founding fathers like Thomas Jefferson, sharing a mutual interest in scientific inquiry and the advancement of knowledge.
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Jefferson shares with Rittenhouse, a fellow scientist and avid astronomer who built precision telescopes and early models of the solar system, his love of 'the west'.
Thomas Jefferson letter goes on the market – containing a prescient warning for Trump today | US politicsThe Guardian·
United Kingdom· 2026-09-26


