Peter and Wim Rheberghen
Just seen this very old thread when researching family history and WW2 Bomber Command info..
These two Dutch brothers are from Winterswjk and Aalten, Netherlands towns on the border with Germany. They have researched many WW2 aircraft crashes around their locality and have published at least one book - each chapter dedicated to one aircraft crash site. During their research they contacted many of the surviving crew members to gather additional information. They had contacted my late father who had retired to NZ. He was the rear gunner of a No.15 Sqn. Stirling LS-Z which was shot down in May 1943 with the sad loss of Cliff Bowyer the 21 yr old Irish pilot. We had the pleasure of visiting the Rhebergen family back in 1984 when my father who baled out and taken POW was on a home trip from NZ. I too have lost contact with the brothers, but am now actively searching the internet for them and a copy of their book published in the early '80s.