Most likely an oversight. He is not the kind of person who would intentionally take credit for the efforts of anyone else. I seem to remember that someone not long ago indicated you had posted on the other board, the context of your conversation with Andy. It may have been him, don't remember for sure. Anyway, is it really that important. The significance of the exchange is that you were able to gain valuable intel relating to the progress of BIEL and you were thoughtful enough to share with others.