Jurij Bartolomej Freiherr von Vega


He fought in numerous battles, also agains French revolutionaries as a canoneer in the Imperial Austrian Army. He became famous for his work Thesaurus Logarithmorum Completus/ Treasury of all Logarithms. It was the most acurate logarithm tabel of the time, last printed in 1964 for school use (not sure which country though). It was also used by Gauss.