Charles N. Mavroyeni, from the February 12, 1921 edition of Moving Picture World.
Caption reads "CHARLES N. MAVROYENI, Getting first hand information from Moving Picture World. He is making a series of biological picture for release in Urban Movie Chats". The picture on the wall is of Charles Urban, for whom Mavroyeni made the films.
<span lang="en">Anonymous</span><span style="display:none">Unknown author</span>
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