John Hopkinson

British physicist and electrical engineer (1849–1898).

Born July 27th, 1849 in Manchester.

Died August 27th, 1898 at 49 years old in Petite Dent de Veisivi, Val d'Hérens (mountaineering accident).

Occupations
engineer, mathematician, physicist
Wikipedia

Here is the test to find whether your mission on Earth is finished: if you’re alive, it isn’t. Richard Bach