Peter was working in our lab as a semester thesis student in spring 2007 and as a diploma thesis student from February 2008 to August 2008. Peter was awarded one of world-wide 30 International Fulbright Science and Technology Awards granted by the Fulbright Program fully supporting his PhD at a U.S. institution of his choice. In Spring 2008 he was admitted into the physics program at Harvard University where he was working on nitrogen vacancy centers in diamond in the group of Misha Lukin.