From left to right: Osip Mandelstam, Korney Chukovsky, Benedikt Livshits, Yuri Annenkov
<bdi><a href="https://en.wikipedia.org/wiki/en:Karl_Bulla" class="extiw" title="w:en:Karl Bulla"><span title="German-Russian photographer">Karl Bulla</span></a>
</bdi>
<a rel="nofollow" class="external autonumber" href="http://cs617930.vk.me/v617930501/15d47/2TYTQK4BSQM.jpg">[1]</a>