Agnes Smith Lewis and Margaret Dunlop Gibson

Agnes Smith Lewis (née Smith; 16 April 1843 – 26 March 1926) and Margaret Dunlop Gibson (née Smith; 16 April 1843 – 11 January 1920), also referred to as the Westminster Sisters and the Sisters of Sinai, were twin British Syriacists, Arabists, travellers, linguists and writers, active in Cambridge. Learning more than 12 languages between them, specialising in Arabic, Christian Palestinian Aramaic, and Syriac, they became acclaimed scholars in their academic fields, and benefactors of the Presbyterian Church of England, and especially Westminster College, Cambridge.

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