Adolf von Baeyer
Chropei, also spelled as Chropi (ΧΡΩΠΕΙ - Χρωματουργία Πειραιώς, Piraeus Dye Works), was a historic Greek chemical company. It was founded in 1883 by chemists Spilios and Leontios Economides (the former having been a co-worker of Adolf von Baeyer) and has traditionally been a major synthetic dye and pharmaceuticals manufacturer.