1. Mandy Minhas Sukhman Sidhu

2.  Born June 18, 1801 in Elberfeld and died in May 22, 1868.  After graduating attended many universities.  While being a professor at the university of Berlin, he came into conflict with Jacob Steiner. Became head of mathematics, in the University of Bonn. Married Miss Altstattlen, and they had a song together.

3.  Cathode ray tube.  Found that he could change position of the glass that glowed with a magnet.  Effect of magnetic field as evidence that whatever produced glow was electrically charged.

4.  Geissler tube: placed two electrodes at each end of the tube.  Pumped all the air from the tube, creating a vacuum.  When electricity flowed, they noticed a greenish glow was produced in the tube.  Cathode Ray tube

5.  Lead to important discoveries about matter and nature of atom.  Plucker formula: Cathode ray tube discovery.

6.  http://www-groups.dcs.st- and.ac.uk/history/Biographies/Plucker.html http://www-groups.dcs.st- and.ac.uk/history/Biographies/Plucker.html  http://library.thinkquest.org/28582/history/ crayexp.htm http://library.thinkquest.org/28582/history/ crayexp.htm  http://chemed.chem.purdue.edu/genchem/ history/plucker.html http://chemed.chem.purdue.edu/genchem/ history/plucker.html