The well-known Russian opposition figure Alexei Navalny is to be posthumously awarded the first Dresden International Peace Prize on Sunday. His widow Yulia Navalnaya will receive the award, which is endowed with €10,000 ($10,774), at the eastern German city’s Schauspielhaus theatre, the organizers said. Former German president Joachim Gauck is expected to deliver the laudatory speech. A requiem by Russian composer Sergei Nevsky for Navalny is also expected to be premiered. The Kremlin critic and prominent opponent of President Vladimir Putin died under unexplained circumstances in a Siberian …