Gerhard Ertl receives his Nobel Peace Prize (2 minutes)Watch a video clip of the 2007 Nobel Laureate in Chemistry, Gerhard Ertl, receiving his Nobel Prize medal and diploma during the Nobel Prize Award Ceremony at the Concert Hall in Stockholm, Sweden, on 10 December 2007.   Credits: TV4 AB (production)Credits: Anna Thompson (voice over)Credits: World Television Sweden AB (production)