Adolf Martens

German metallurgist (1850–1914).

Born March 6th, 1850 in Gammelin.

Died July 24th, 1914 at 64 years old in Groß-Lichterfelde.

Occupations
engineer, inventor, metallurgist, university teacher
Wikipedia

The fear of death is the most unjustified of all fears, for there’s no risk of accident for someone who’s dead. Albert Einstein