Oliver Heaviside

Electrical engineer, mathematician and physicist.

Born May 18th, 1850 in London, Camden Town. [ref]

Died February 3rd, 1925 at 74 years old in Torquay, Mount Stuart Hospital. [ref]

Occupations
engineer, mathematician, physicist, telegraphist
Wikipedia

After your death, you will be what you were before your birth. Arthur Schopenhauer