Hagen von Eitzen
Member for 8 years, 4 months
Last seen more than a month ago
I did study math and had a knack for it, but I am sooo out of that business now ...
This user doesn’t have any gold badges yet.
This user doesn’t have any silver badges yet.
TeacherOct 29, 2015
SupporterMay 9, 2016
AutobiographerJan 14, 2015