Werner Heisenberg - 1927

Born: December 5th, 1901in Germany
  • Worked with Niels Bohr at the University of Copenhagen
"Uncertainty principle"
  • It is not possible to obtain precise values of both position and momentum of a particle at the same time
"Cloud" model aka quantum mechanical model
  • He determined that the only way to describe the location of an electron in an atom is through probability distribution. This principle of his forms the basis of the electron cloud model.