John Tyndall — English Physicist born on August 02, 1820, died on December 04, 1893

John Tyndall FRS was a prominent 19th-century physicist. His initial scientific fame arose in the 1850s from his study of diamagnetism. Later he made discoveries in the realms of infrared radiation and the physical properties of air. Tyndall also published more than a dozen science books which brought state-of-the-art 19th century experimental physics to a wide audience. From 1853 to 1887 he was professor of physics at the Royal Institution of Great Britain in London... (wikipedia)

The brightest flashes in the world of thought are incomplete until they have been proven to have their counterparts in the world of fact.
Knowledge once gained casts a light beyond its own immediate boundaries.
Life is a wave, which in no two consecutive moments of its existence is composed of the same particles.