Stanisław Kostanecki

{{Short description|Polish chemist (1860–1910)}}

File:Stanisław Kostanecki (-1910).jpg

Stanisław Kostanecki (born 16 April 1860 in Myszaków, now in Poland then Kingdom of Prussia – 15 November 1910 in Würzburg) was a Polish organic chemist, professor who pioneered in vegetable dye chemistry e.g. curcumin. He is best known for discovering Kostanecki acylation, which was named after him.{{Cite web |last=Światu |first=Polska |date=2021-12-05 |title=KOSTANECKI STANISŁAW (1860-1910) - Szwajcaria » Polska Światu - chemia |url=https://polskaswiatu.pl/kostanecki-stanislaw-szwajcaria/ |access-date=2024-10-24 |website=Polska Światu |language=pl-PL}}

In 1896, he developed the theory of dyes and studied the natural vegetable dyes.{{Cite web |title=PTCHEM - Biographies of patrons of Distinctions, Medals and Awards given by PCS |url=https://ptchem.pl/en/honors/biographies-of-the-patrons-of-the-distinctions-medals-and-prizes-of-ptchem |access-date=2024-10-24 |website=ptchem.pl}} Among his many students were scientists Kazimierz Funk and Wiktor Lampe.