1989/90 Harwell 7's

Apparently, one of the great unanswered questions of recent Harwell history was: "Why was Morris a back?" Maybe his facial expression below gives us the answer?

Not absolutely sure about the date of this one, anyone have a better idea?

Photo 1: 199x Harwell 7's
Pete (Spratt) Edwards, Mike Airey, Chris (Morris) Cairns