<nowiki>Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; マルセル・トルコフスキー; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Marcel Tolkowsky; Belgian mathematician and gemologist; belgischer Mathematiker und Gemmologe; Belgisch wiskundige</nowiki>
Marcel Tolkowsky Belgian mathematician and gemologist |
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| Date of birth | 25 December 1898
Antwerp |
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| Date of death | 10 February 1991
New York City |
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