Greek mathematician <a href="https://en.wikipedia.org/wiki/Constantin_Caratheodory" class="extiw" title="en:Constantin Caratheodory">Constantin Caratheodory</a> (Κωνσταντίνος Καραθεοδωρής) (1873-1950)
Unknown author<span style="display: none;">Unknown author</span>
late 19th Century to early 20th Century
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