Met him once, for a very brief conversation, when as CAS he did the mass wings presentation at Valley (when the wings presentation changed from post-Hawk to post-Tucano).
Then I was surprised when I mentioned him doing the presentation to a mate at work who said he had played rugby with him on 20 squadron in Singapore. Sir Peter was apparently a very nice bloke (although they didn't mix socially other than rugby, mate being a Sergeant and Sir Peter a Flt. Lt. at the time).