August Wöhler
August Wöhler ( 22 June 1819 – 21 March 1914 ) was a German railway engineer , best remembered for his systematic investigations of metal fatigue . 
<triplet> August Wöhler <subj> 22 June 1819 <obj> date of birth <subj> 21 March 1914 <obj> date of death <subj> German <obj> country of citizenship