Feigenbaum is a German surname meaning "fig tree". Notable people with the surname include: Armand V. Feigenbaum (1922-2014), American quality control expert B. J. Feigenbaum (1900-1984), American legislator and lawyer Clive Feigenbaum, stamp dealer Edward Feigenbaum (born 1936), American computer scientist known as the "father of expert systems" Joan Feigenbaum (born 1958), American computer scientist Mitchell Feigenbaum (1944-2019), American mathematical physicist William M. Feigenbaum (1886–1949), New York assemblyman, 1918 Yehoshua Feigenbaum (born 1947), Israeli footballer Eran Feigenbaum (born 1974), Israeli information security expert and mentalist See also Feigenbaum function Feigenbaum constants Jewish surnames German-language surnames de:Feigenbaum