Wikidata

[@abogdanov]

One of the best lectures I've ever heard online!

[@chuanqisun]

That's one heck of an opening for the lecture. Love it!

[@guilhermelopes7809]

Thanks for making so interesting lectures, it makes learning way more enjoyable :)

[@hans-juergenphilippi1977]

Entertaining, profound, and helpful. I'm a Markus Krötzsch fan boy by now. :-)