Johann Gaulke
@johann_jpg
Germany, Frankfurt
Joined Jul 2021
World Rank: #8416 (4.2 points)
Institution: Internatsschule Schloss Hansenberg
Activity over the last year
Effectiveness
- Problems solved
- 28
- Solutions submitted
- 104
Germany, Frankfurt
Joined Jul 2021
World Rank: #8416 (4.2 points)
Institution: Internatsschule Schloss Hansenberg