12th Congress of the Russian Communist Party (Bolsheviks), Moscov, 17th until 25th April 1923. 
<p>Lower row, middle: <a href="https://en.wikipedia.org/wiki/Sergo_Ordzhonikidze" class="extiw" title="en:Sergo Ordzhonikidze">Sergo Konstantinovich Ordzhonikidze</a>
Middle row, 2nd from left, <a href="https://en.wikipedia.org/wiki/Nikolai_Bukharin" class="extiw" title="en:Nikolai Bukharin">Nikolai Ivanovich Bukharin</a>, 3rd from left: <a href="https://en.wikipedia.org/wiki/Alexei_Rykov" class="extiw" title="en:Alexei Rykov">Alexei Ivanovich Rykov</a>, 4th from left: <a href="https://en.wikipedia.org/wiki/Joseph_Stalin" class="extiw" title="en:Joseph Stalin">Joseph Vissarionovich Stalin</a>
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Upper row, second from right: <a href="https://en.wikipedia.org/wiki/Robert_Eikhe" class="extiw" title="en:Robert Eikhe">Robert Indrikovich Eikhe</a>
Unknown author<span style="display: none;">Unknown author</span>
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