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Дмитрий Иванович Менделеев 7.jpg - Materialscientist
Hjalmar Lundbohm signature.png - Lapplänning
Chandsig.jpg - CUArchivist
Mendelejew signature.jpg - Kamil9243
Naboitchenko sign.png - Const st
John Dalton Signature c1827.svg - Scewing
Hans Christian Ørsted signature.svg - Scewing
Ingold podp.jpg - Kikkake
Albert Szent-Györgyi signature.svg - Scewing
Signature of Siyavush Garayev.jpg - Interfase
Davy's signature.png - Никита Воробьев
Firma di Giuseppe Gazzeri.tif - Elidire
Charles Lathrop Parsons signature.jpg - Mary Mark Ockerbloom
NileRed signature.svg - Dwarfroe
J. H. van 't Hoff - handtekening - signature.jpg - Hansmuller
Handtekening Ernst A. Hauser.jpg - Arie m den toom
Solvay1933Signature Gamow.jpg - Jochen Burghardt
Solvay1933Signature Henriot.jpg - Jochen Burghardt
Solvay1933Signature Herzen.jpg - Jochen Burghardt
Solvay1933Signature JoliotCurieI.jpg - Jochen Burghardt
1943 Bach.jpg - Jochen Burghardt
1943 Bajkow.jpg - Jochen Burghardt
1943 Fersman.jpg - Jochen Burghardt
1943 Brizke.jpg - Jochen Burghardt
Ulf Lagerkvist signature.svg - Sinigh
Paul Casamajor signature.png - Ysh.cabana
NileRed sig.png - Dwarfroe
Signature of Clair Cameron Patterson (1922–1995).png - Nick Number
Adrien Albert signature.jpg - Sgroey
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