Here you can find some links to webpages of friends and colleagues or just to stuff I like: Mathematicians Prof. Alexey Bufetov, my research group leader in Bonn. Prof. Stefaan Vaes, my PhD advisor and professor of mathematics at KU Leuven. Dr. Matthias Valevekens, my former office mate in Leuven, now working in software development. Prof. Eveliina Peltola, Bonn Junior Fellow working in mathematical physics. Prof. Moritz Weber, my master's thesis advisor and expert on quantum groups and C*-algebras. Prof. Tim de Laat, co-author and junior professor of theoretical mathematics at the University of Münster. Dr. Pierre Tarrago, co-author and researcher in probability theory at LPMS. Prof. Yuki Arano, co-author and professor of mathematics at the University of Kyoto. Prof. Roland Speicher, professor of mathematics at Saarland University. Check out the collection of great lecture notes on the website of his research group. Dr. Marvin A. Hahn, Postdoc at the MPI Leipzig. Algoright Algoright e.V., think tank for ethical digitalization and science communication. Kevin Baum, computer ethicist, researcher and co-creator of the prize-winning lecture series 'Ethics for Nerds'. Stefan Hessel, expert in cyber law, founder of Defendo GBR, researcher at CISPA and associate at reuschlaw legal consultants. Sarah Sterz, researcher in philosophy and computer science at Saarland University. Timo Speith, research associate at the chair of Theoretical Philosophy at Saarland University.