That one question seems to solicit answers with parent-child pairs that both work(ed) in Operations Research.
What is this tag for? When should it be used?
At the time of this posting, the tag currently has no usage guidance.
Note: This question is not about the scope or whether the linked question is on topic. Based on this discussion, questions regarding the field of OR are considered on topic if (1) they are not too broad, and (2) they are not primarily opinion-based.