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
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) - 13:23, 16 July 2024
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) - 22:54, 28 June 2024
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
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
Grobbée (1822–1907), Minister of Finance from 1883 to 1885 Johannes van Heerdt tot Eversberg (1829–1893), former governor of Suriname and Curaçao Piet...
30 KB (2,876 words) - 11:08, 10 June 2024
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...
110 KB (9,126 words) - 05:42, 20 July 2024
Heerdt was first mentioned was in the 9th century CE. 1898: The Oberkassel Bridge between Düsseldorf-Heerdt and Düsseldorf was opened. 1909: Heerdt,...
5 KB (424 words) - 01:45, 20 December 2022
ISBN 978-0-7216-0621-7, retrieved 2021-01-05 Crystal, George J.; Assaad, Sherif I.; Heerdt, Paul M. (2019-01-01), Hemmings, Hugh C.; Egan, Talmage D. (eds.), "24 -...
20 KB (2,358 words) - 16:35, 4 May 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