Huygens, Christian, a Dutch geometrician, physicist, and astronomer, born at The Hague; published the first scientific work on the calculation of probabilities, improved the telescope, broached the undulatory theory of light, discovered the fourth satellite of Saturn, invented the pendulum clock, and stands as a physicist midway between Galileo and Newton (1629‒1693).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Huxley, Thomas Henry * Hydaspes