At HZB we often have interesting guests from abroad – and with challenging topics. I met two of them, Vitaly Datsyuk and Svitlana Trotsenko, on a sunny autumn day. The first time Vitaly and Svitlana came to HZB in Wannsee, they were stopped at the gate. Both scientists work in the Physics Department of Freie Universität Berlin on a Ukrainian passport. But because the requisite application as required by the Foreign Trade and Payments Act hadn’t gone through, the two had to leave empty handed. And yet, this minor hiccup did not stop them from returning. In fact now, once a month, they are regularRead More →