Theodor Billroth with his assistants (1871). First row, sitting, from left to right: Robert Gersuny, Vincenz Czerny, Billroth, Menzel, Steiner. Second row, standing, from l to r: Carl Gussenbauer, Lobmayer, Satller, Vladan Gjorgjeviç, Pernitza, Pfleger
<span lang="en">Anonymous</span><span style="display:none">Unknown author</span>
<a rel="nofollow" class="external text" href="http://resource.nlm.nih.gov/101408500">National Library of Medicine, Digital Collections</a>