delikat Makadam Filosofie doktor felix hummel Switzerland ledsen Aska slott
e-codices – Virtual Manuscript Library of Switzerland
Josef Felix Müller - Aktuell
Swiss Golf Annuaire Officiel des Clubs 2019
Hummel Lab ‐ EPFL
Wildbienen – Die anderen Bienen - Greenpeace Schweiz
Prof. Friedhelm Hummel ‒ CNP ‐ EPFL
Haworth Europe - Thorsten Mühl - Director Digital, The Walt Disney Company Germany, Switzerland and Austria Felix Hummel - Founder & CEO, BuzzBird Masha Sedgwick Felix von der Laden Jonas Hellebronth -