Hardy Black
@hwb_worwa
United States, Washburn
Joined Dec 2015
World Rank: #326 (64.5 points)
Institution: na
Activity over the last year
Effectiveness
- Problems solved
- 407
- Solutions submitted
- 3742
United States, Washburn
Joined Dec 2015
World Rank: #326 (64.5 points)
Institution: na