Paul Gerber

Paul Gerber (1854 Berlin, Germany – 13 August 1909 Freiburg im Breisgau, Germany) was a German physics teacher. He studied in Berlin from 1872 to 1875. In 1877 he became a teacher at the Realgymnasium (high school) in Stargard in Pommern. Gerber is known for his controversial work on the speed of gravity and the perihelion shift of Mercury's orbit. Provided by Wikipedia