August Wöhler

August Wöhler (22 June 1819 – 21 March 1914) was a German railway engineer, best remembered for his systematic investigations of metal fatigue.

Born in the town of Soltau, Hanover, the son of local teacher Georg Heinrich Wöhler, he showed early mathematical ability and won a scholarship to study at the Higher Vocational College of Hanover from 1835, under the direction of Karl Karmarsch.

In 1840, he was recruited to the Borsig works in Berlin where he worked on the manufacture of rail tracks. In 1843, after a brief stay in Hannover, he started to receive instruction in locomotive driving in Belgium, returning as an engineer on the Hanover-Brunswick line of the Royal Hanoverian State Railways. By 1847, Wöhler was chief superintendent of rolling stock on the Lower Silesian-Marcher railway in Frankfurt (Oder).

The railroad was nationalised by the Prussian state railways in 1852 and Wöhler's growing reputation led to his appointment by the Prussian Ministry of Commerce to investigate the causes of fracture in railroad axles, work that was to occupy Wöhler over the next two decades. The recognition of his keen administration and technical leadership resulted in his appointment as director of the newly formed Imperial Railways in Alsace-Lorraine in 1874, based at the board's headquarters in Straßburg, a post he held until his retirement in 1889.

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