In the Berlin newspaper Tagesspiegel from May 11 an article by Nicolas Kuhn was published. It's about Nicolas Berggruen's relation as an investor regarding Venice and Berlin. Semjon Contemporary is explicitly mentioned. https://plus.tagesspiegel.de/potsdam/kultur/nicolas-berggruen-saniert-den-palazzo-diedo-der-gute-mensch-von-venedig-475707.html
