People John Warren Butterfield American businessman, Butterfield Overland Mail founder1801 – 14 November 1869 John Warren Butterfield1801 – 14 November 1869 Daniel Butterfield31 October 1831 – 17 July 1901 ChildrenDaniel Butterfield31 October 1831 – 17 July 1901FoundedAmerican Expressfounded 1850 From Wikipedia and Wikidata (public domain), updated daily.
