Richard Kothe, assisted Dr. Dressel in the synthesis of bayer 205. Photograph presented by the Farbenfabriken Bayer Aktiengesellschaft of Laverkusen, Germany, through Dr. H.A. Wilpert, 26 June 1956.

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Richard Kothe, assisted Dr. Dressel in the synthesis of bayer 205. Photograph presented by the Farbenfabriken Bayer Aktiengesellschaft of Laverkusen, Germany, through Dr. H.A. Wilpert, 26 June 1956. Wellcome Collection. Source: Wellcome Collection.