Wim Klein's farewell performance at CERN (in French). Video courtesy CERN.
Yesterday, Tuesday 4 December 2012, marked the 100th anniversary of Wim Klein's birth. Klein, who died in 1986, is an important part of CERN's computing history. He was employed at the organization from 1957 to 1976 as a human calculator, checking the results of calculations carried out by computers.