Hayyim Selig Słonimski
Polish-Jewish mathematician and inventor · Russia · On the map · Academics · Lived 1810 to 1904 · aged 94
Ḥayyim Selig ben Ya'akov Slonimski, also known by his acronym ḤaZaS, was a Hebrew publisher, mathematician, astronomer, inventor, science writer, and rabbi.
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He was among the first to write books on science for a broad Jewish audience, and was the founder of Ha-Tsfira, the first Hebrew-language newspaper with an emphasis on the sciences.