Clarence Feldmann, 1914
Unknown author<span style="display: none;">Unknown author</span>
Trimmed from 1914 Photo (found online at Rudo Hermsen, "<a rel="nofollow" class="external text" href="http://www.willemsmithistorie.nl/index.php/biograierosskopf">Biografie Ir. Thomas Rosskopf (1880-1953)</a> at willemsmithistorie.nl