(1848 – 1919)

Mathematician.

His inventions made it possible to explore for natural resources like oil, coal and different ores.

Invented: the method and tool to measure gravity.

Credited with: the Eötvös Law of Capillarity, the Eötvös Unit of Gravitation, the Eötvös Gravitational Torsion Balance, the Eötvös Effect, invention of instruments used to measure terrestrial magnetism for decades to come.