On Tuesday 9h April, 16:30, Sotiris Loucatos (DPhP-IRFU CEA Université Paris-Saclay and APC Université Paris Cité, CNRS) will give a Colloquium on “Cosmic Microwave Background measurements with mm-telescopes”. Details on remote connection can be found in the indico page of the event at: https://indico.cern.ch/event/1400966/