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| navigate by keyword : celebrity chemical chemist discover drawing editorial face friedrich historical history hler man old people portrait scientist sketch urea |
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| Friedrich Wöhler (1800 - 1882) was a German chemist, best known for his synthesis of urea, but also the first to isolate several chemical elements. Picture from an 100 years old encyclopedia book. |
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Stockphotos.ro (c) 2026. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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