Speaker: Manfred Kleber (TUM München) Date: Mon., Dec. 14 Location: Lecture hall II, Physics Department, Garching (https://www.ph.tum.de/about/visit/roomfinder/?room=5101.EG.502) Time: 17.15 Title: The story of Heisenberg's quantum mechanics Abstract: Ninety years ago the birth of quantum mechanics took place when Werner Heisenberg submitted his paper on Quantum-theoretical reinterpretation of kinematic and mechanical relations (Über quantentheoretische Umdeutung kinematischer und mechanischer Beziehungen) to Zeitschrift für Physik. [Z. Phys., 33, 879-893 (1925)]. We will show how important the historical context was for an understanding of his work and we will follow Heisenberg on the narrow path that took him from the unsuccessful old quantum mechanics to the light of the new quantum mechanics. We then discuss Heisenbergs research in the years following his scienti c breakthrough.