Inaugural lecture by Prof.dr. Bernhard Rainer Brandl on the acceptance of his position of professor of Infrared Astronomy at the Universiteit Leiden and Astronomy and Instrumentation at the Technische Universiteit Delft on Monday, September 26th, 2016Inaugural lecture by Prof.dr. Bernhard Rainer Brandl on the acceptance of his position of professor of Infrared Astronomy at the Universiteit Leiden and Astronomy and Instrumentation at the Technische Universiteit Delft on Monday, September 26th, 201