Ehrhart is a surname. Notable people with the surname include: Eugène Ehrhart (1906–2000), French mathematician who introduced Ehrhart polynomials in the 1960s Gustav Ehrhart (1894–1971), German chemist who synthesized the first fully synthetic opioid analgesic, methadone Jakob Friedrich Ehrhart (1742–1795), German botanist for whom a genus of grasses, Ehrharta, is named
See also Ehrhart Neubert (born 1940), a retired German Evangelical minister and theologian Erhard Ehrhardt Erhardt
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