111 reputation
4
bio website
location Dresden, Germany
age
visits member for 2 years, 1 month
seen Jan 14 at 9:00

I'm Burkhard and I love programming and other challenging activities.


Dec
5
awarded  Teacher
Dec
5
awarded  Supporter
Dec
5
answered Textbooks on set theory
Dec
5
awarded  Analytical
Dec
5
awarded  Autobiographer