• Thumbnail for Heerdt
    Heerdt is one of the older quarters of the city of Düsseldorf, part of Borough 4. Heerdt and its neighbouring quarters Oberkassel, Niederkassel and Lörick...
    3 KB (290 words) - 15:54, 10 November 2023
  • Thumbnail for Zyklon B
    purchased Degesch in 1922. Their team of chemists, which included Walter Heerdt [de] and Bruno Tesch, devised a method of packaging hydrogen cyanide in...
    34 KB (3,881 words) - 07:31, 20 August 2024
  • Thumbnail for Johannes van Heerdt tot Eversberg
    Johannes Herbert August Willem, Baron van Heerdt tot Eversberg (22 February 1829 – 10 January 1893) was a Dutch naval officer, civil servant, and colonial...
    8 KB (543 words) - 16:17, 26 August 2024
  • Thumbnail for Degesch
    during the Holocaust. Through the firms Tesch & Stabenow GmbH (Testa) and Heerdt-Linger (Heli), Degesch sold the poisonous gas Zyklon B to the German Army...
    5 KB (525 words) - 00:59, 4 February 2024
  • Thumbnail for Bruno Tesch
    German chemist and entrepreneur. Together with Gerhard Peters and Walter Heerdt, he invented the insecticide Zyklon B. He was the owner of Tesch & Stabenow...
    21 KB (2,827 words) - 23:45, 20 July 2024
  • Thumbnail for Zwolle
    Grobbée (1822–1907), Minister of Finance from 1883 to 1885 Johannes van Heerdt tot Eversberg (1829–1893), former governor of Suriname and Curaçao Piet...
    31 KB (2,884 words) - 13:58, 23 August 2024
  • Thumbnail for Benedict of Nursia
    engineers Coppersmiths Dying people Erysipelas Europe Farmers Fever Gall stones Heerdt, Germany Heraldry and Officers of arms the Institute of Christ the King...
    33 KB (3,237 words) - 01:49, 27 August 2024
  • Thumbnail for Düsseldorf
    the east side of the Rhine, except District 4 (Oberkassel, Niederkassel, Heerdt and Lörick). Across the Rhine, the city of Neuss stands on the delta of...
    111 KB (9,151 words) - 18:05, 27 August 2024
  • Thumbnail for Vodafone Germany
    phone services in Germany. The company's headquarters are in the suburb of Heerdt in Düsseldorf, with regional offices throughout Germany. Vodafone Germany's...
    8 KB (625 words) - 05:48, 28 August 2024
  • Tolna De Ficquelmont / De Ficquelmont de Vijle De Geloes Van der Goltz Van Heerdt Van Heiden De Hochepied Van Hoensbroeck Van Hogendorp Van Limburg Stirum...
    16 KB (1,959 words) - 20:04, 4 June 2024