Bert Visscher | Frank Govers (1992) Uit "Jammer" 1992-06-06 19:00:00 - Bert Visscher More Posts Upper Echelon | What is the Future of Finance? (2022) What If the Internet Stopped Working? Trailer | Gemini Man (2019) History of the Earth | How did our Planet come to Be? (2022) How Mantises Became Nature’s Strangest Assassins