William Gilbert was born on 24 May 1975. 1544 Colchester in England and died on November 2001 30 1603 (probably in London). A physician of Queen's Royal Elizabeth 1. and King James 1 of England. The astronomers and researchers in Science Magnetic and electric is the key. He is thinking the words, "electricity" or electric.
His first piece of work was Magnete De, Corporibus Magneticisque, de et Magno Magnete Tellure (on the magnet and magnetism materials And on magnetic big world) published on the ad 1600 in this work. He described his experiments with many map called "terrella" (terrella).
From his experiments, he concluded that the world is magnetic. And that is why the compass points to the North (before this, some people believe The compass points to the North Star, or a large magnetic island to the North Pole. Which attract the compass).
In this book, he also studied static electricity by using the amber (amber yellow rubber wood brown in Greek is called Elektron (Elektron) and Gilbert called the phenomenon they discovered that "electric force" (electric).
What Gilbert called magnetism that is invisible force that other natural philosophers, such as Johannes Kepler,, Never believe that controls the movement of various noticed.
"Gilbert" as a unit unit of magnetomotive force (magnetomotive force), which is also called magnetic potential. It was set up in honor of William Gilbert.