https://metamagician3000.blogspot.com/2011/09/interview-with-udo-schuklenk.html
Metamagician3000: Interview with Udo Schuklenk
The Globe and Mail also has a detailed interview with Udo.
interview withudo
https://ethxblog.blogspot.com/2010/08/falun-gong-harmless-exercise-fanatics.html
Udo Schuklenk's Ethx Blog: Falun Gong - harmless exercise fanatics or weird cult
I'm sure you will have come across Falun Gong folks exercising in some public space or other. There's invariably a chap handing out leaflets...