Gregvan,
Thanks for the reply and that quote from
Lothar von Richthofen. From the way that LvR describes it, the flying together was informal, just two experienced pilots looking out for each other. I believe you are probably correct that in WW1 the term 'wingman' didn't mean the same as in later wars. I came upon it several times in my reading and wanted to clarify it in the context of WW1. Thanks for taking the time.