• Thumbnail for The Iron Rolling Mill (Modern Cyclopes)
    a rolling mill for railroad tracks, which was privately owned by Carl Justus Heckmann, after several mergers in 1871 and employed around 3000 workers at...
    6 KB (825 words) - 14:09, 16 August 2024
  • Thumbnail for Salomo Sachs
    design and rebuild a new church tower. At the same time Carl Justus Heckmann for the roofing and Carl August Mencke for the gilding of the spire were also...
    59 KB (7,430 words) - 03:22, 4 December 2024
  • Thumbnail for Vow of allegiance of the Professors of the German Universities and High-Schools to Adolf Hitler and the National Socialistic State
    Nepomuk Hebensperger (historian), Erich Hecke (Hamburg mathematician), Otto Heckmann (Göttingen astronomer), Enno Heidebroek (Dresden engineer), Martin Heidegger...
    38 KB (3,707 words) - 03:34, 6 October 2024