CERN Director General Rolf-Dieter Heuer

CERN Director General Rolf-Dieter Heuer

Fabrice Coffrini/AFP/Getty Images

Rolf-Dieter Heuer, director general of CERN (European Organization for Nuclear Research), gestures during a press conference after the announcement of the winners of the Nobel Prize for Physics in Meyrin near Geneva on Oct. 8, 2013.