In July 1959 the Düsseldorf Grünenthal sales representative informed the company headquarters in Stolberg about a complaint he received from Düsseldorf pharmacist H. Kaben. One of Kaben’s clients believed his paraesthesia was connected to Contergan (Thalidomide).

Source: Anklageschrift (indictment) from 1967, today archived at the National Archives of North Rhine-Westphalia in Duisburg, Germany (Rheinland Division, Gerichte Rep. 139, No. 1–396), p. 75.