Hans Merensky (1905–1992), a South African geologist, prospector, scientist, conservationist and philanthropist
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Merensky Reef, a layer of igneous rock in the Bushveld Igneous Complex (BIC) in the Transvaal named after Hans
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Alexander Merensky (1837–1918), a German pioneer missionary in South Africa
Alexander Merensky (born 8 June 1837 in Panten near Liegnitz; died 22 May 1918 in Berlin) was a German missionary, working in South Africa (Transvaal) since 1859.