PHYSICISTS A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site Guericke, Otto von (1602–1686) German physicist credited with inventing the vacuum pump. His best-known experiment was with the Magdeburg hemispheres (1654): he evacuated a hollow sphere composed of two halves placed together, and showed that two 8-horse teams were insufficient to separate the halves. He also credited with inventing the first electric generator. Related category    • PHYSICISTS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP