Karl Bulla
...that Russian photography pioneer Karl Bulla left more than 200,000 glass negatives that are now in the public domain?
...that Russian <a href="./Photography" id="mwBwA" rel="mw:WikiLink" title="Photography">photography</a> pioneer <b id="mwBwE"><a href="./Karl_Bulla" id="mwBwI" rel="mw:WikiLink" title="Karl Bulla">Karl Bulla</a></b> <i id="mwBwM">(pictured)</i> left more than 200,000 glass <a href="./Negative_(photography)" id="mwBwQ" rel="mw:WikiLink" title="Negative (photography)">negatives</a> that are now in the <a href="./Public_domain" id="mwBwU" rel="mw:WikiLink" title="Public domain">public domain</a>?