Wie·sen·thal 
(wēsən-thäl′, vēzĕn-täl′), Simon 1908-2005.
(wēsən-thäl′, vēzĕn-täl′), Simon 1908-2005. Ukrainian-born Holocaust survivor who, as founder (1947) and head of the Jewish Documentation Center, helped track down more than 1,000 Nazi war criminals, most famously Adolf Eichmann.