Lecture & Presentation, Dec 1, 2017 Original version
Lecture & Conversation, Dec 1, 2017 Original version
Presentations, Dec 2, 2017 Original version
Conversation, Dec 2, 2017 Original version
With Nahum, Josh Berson, Seth Bullock, Helena Shomar English original version Conversation, Dec 2, 2017
Vortrag, Dec 2, 2017 Original version
Introduction, Dec 2, 2017 Original version
Diskussion, Dec 2, 2017 Original version
Presentations, Dec 2, 2017 Original version
Presentations, Dec 2, 2017 Original version
Dec 2, 2017 German translation
Dec 2, 2017 Original version
Lecture, Dec 2, 2017 German translation
Dec 2, 2017 Englische Originalversion
Dec 2, 2017 German translation
Dec 2, 2017 Original version
Conversation, Dec 2, 2017 Original version
Lecture, Nov 2, 2017 Original version
Lecture, Nov 2, 2017 Original version
Lecture, Dec 2, 2017 Original version