original: werner heisenberg -lrb- 5 december 1901 – 1 february 1976 -rrb- was a german theoretical physicist who made foundational contributions to quantum mechanics and is best known for asserting the uncertainty principle of quantum theory .
simplifications: werner heisenberg was a german physicist who made foundational contributions to quantum mechanics , and is best known for asserting the uncertainty principle of quantum theory . werner heisenberg -lrb- 5 december 1901 – 1 february 1976 -rrb- was a german theoretical physicist who made major contributions to quantum mechanics and is best known for asserting the uncertainty principle of quantum theory . werner heisenberg was a german theoretical physicist who made contributions to quantum mechanics and is known for asserting the uncertainty principle of quantum theory . werner heisenberg who was born on 5 december was a german theoretical physicist who made foundational contributions to quantum mechanics . he is best known for asserting uncertainty principle of quantum theory . werner heisenberg -lrb- 5 december 1901 - 1 february 1976 -rrb- was a german theoretical physicist who contributed a lot to quantum mechanings and was best known for the uncertainty principle of quantum theory . werner heisenberg -lrb- 1901-1976 -rrb- was a german theoretical physicist specializing in quantum mechanics . heisenberg is best know for his contributions to the foundations of the " uncertainty principle " . werner heisenberg -lrb- 5 december 1901 - 1 february 1976 -rrb- was a german theoretical physicist who made big contributions to quantum mechanics and is most famous for coming up with the uncertainty principle of quantum theory . werner heisenberg was a german physicist who is best known for his contributions to quantum mechanics and the principle of quantum theory .