Sergey Isaevich Utochkin, a Russian aviator
<bdi><a href="https://www.wikidata.org/wiki/Q25846552" class="extiw" title="d:Q25846552">Yakov Vladimirovich Steinberg</a>
</bdi>
1910s <div style="display: none;">date QS:P,+1910-00-00T00:00:00Z/8</div>
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