A fact from Allan H. Stevenson appeared on Wikipedia's Main Page in the Did you know column on 27 October 2009 (check views). The text of the entry was as follows:
Did you know... that by identifying watermarks in the paper of the incunabulumMissale Speciale, a book alleged to pre-date the Gutenberg Bible (c. 1455), Allan H. Stevenson proved it was printed nearly 20 years later?
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Categorizing Stevenson in papermaking seems to me a bit odd as this category contains just topics ralated to the process of making paper, not persons. The persons making contribution to papermaking/developing the papermaking process are refered to as papermakers. Stevenson made a contribution in the study of watermarks of handmade paper, so I put him in the see also list of the watermark article. It might be better to put him in the watermarking category? Langbein Rise (talk) 14:14, 9 December 2009 (UTC)[reply]
Actually, none of these categories seems particularly satisfactory. Stevenson's contribution is the study of watermarks and, in a more general sense, papermaking. He is not a "papermaker". The articles in watermarking seem to focus more on modern technology such as digital watermarking. I thought that papermaking seemed most appropriate, but if you want to move it to watermarking, I have no real objection. Ecphora (talk) 14:33, 9 December 2009 (UTC)[reply]