In 1968 Europe was rocked by student demonstrations calling for a revolution. In West Berlin the protests intensified following the shooting of student leader Rudi Dutschke on April 11th 1968. He would become a symbol for a generation of young Germans. In 2013 Lucy Burns spoke to his widow Gretchen Klotz-Dutschke about the attack. (Image: Gretchen Klotz-Dutschke(L) Rudi Dutschke(R) Credit: Keystone/Getty Images)