William Katzianer

Provide your first answer ever to someone else's question

Awarded to William Katzianer on 27 Dec 2018

Accept 1 answer given by other contributors

Awarded to William Katzianer on 10 Jun 2019

Solve a problem for the first time

Awarded to William Katzianer on 13 Feb 2018

Comment on a problem or solution

Awarded to William Katzianer on 11 Aug 2018

Solve a community group

Awarded to William Katzianer on 30 Oct 2019

Publish your first review

Awarded to William Katzianer on 06 Nov 2019