I don't have an answer, just an observation I stumbled upon today.
I searched for "T M Trautvetter" at Google and received the results below:
I went to the University's site directly to search directly for "trautvetter," hoping to get additional results. Interesting thing was that I didn't get this result--just two others.
I don't have an immediate answer. I searched for a few OCR variants of Trautvetter, but none of those located it either.