Dear members and friends of the Research Cluster History of Science, Dear students of the MA Epistemologies of Science and Technology, We warmly invite you to the Cluster’s Semester Opening on *Tuesday, October 13, 11:30-13:00* *Hörsaal 17, Oskar-Morgenstern-Platz 1, 2nd floor* This is a great opportunity to get to know members and their work, meet new people, and talk about plans for the semester that lays ahead. There will be cookies and tea/coffee, and afterwards we go for lunch in the Mensa at Kolingasse. A warm welcome to Anaïs Angelo, Sandra Hindricks, Valeska Huber, Claudia Kraft, Alexis Rider, Philipp Strobl, Mischa Suter and Maria Wakounig, who have joined the Cluster as supervisors! Feel free to extend the invitation to colleagues who may be interested in joining the Cluster. Best wishes from the speakers Sebastian Felten and Birgit Nemec