Fritz Jakob Haber was a German chemist who received the Nobel Prize in Chemistry in 1918 for his invention of the Haber process, a method used in industry to synthesize ammonia from nitrogen gas and h
Portret van Professor Fritz Haber, een chemicus uit Duitsland, SFA002023057
Haber's first wife, Clara Immerwahr
The grave of Fritz and Clara Haber (née Immerwahr) in the Hörnli graveyard of Basel, Switzerland
The Second Battle of Ypres was fought from 22 April to 25 May 1915, during the First World War, for control of the tactically valuable high ground to the east and the south of the Flemish town of Ypre
Fritz Haber
…poisonous gases during World War I. He first proposed the use of the heavier-than-air chlorine gas as a weapon to break the trench deadlock during the Second Battle of Ypres. His work was later used, without his direct involvement, to develop the Zyklon B pesticide used for the killing of more than 1 million Jews in gas…
German diagram showing the new front line after the 2nd Battle of Ypres
The First German Gas Attack at Ypres by William Roberts depicting the German gas attack on French and Canadian soldiers
Langemark-Poelkapelle: Photograph taken from a position just west of Langemark German war cemetery, facing approximately north, towards the former location of the German trench from which the first gas attack was launched on 22 April 1915. In this area, the German trench system ran approximately from the farmhouse on the left to the group of willow trees on the right.
George Nasmith, the head of the field laboratory for the Canadian Expeditionary Force, advised a Canadian field ambulance officer to pass the order to use urine to counteract the gas.