Given the question: - death place is hamburg , germany - doctoral students is walter borho , gunter harder - known for is witt matrix , bourbaki -- witt theorem , poincare -- birkhoff algebra -- witt theorem , witt 's theorem , witt vector , witt group , hasse -- witt - caption is ernst witt in nice , 1970 - fields is mathematics - death date is 3 july 1991 - workplaces is university of hamburg - doctoral advisor is emmy noether - birth date is 26 june 1911 - image is ernst witt.jpeg - birth place is alsen , german empire -lrb- present-day denmark -rrb- - alma mater is university of gottingen Given the details above, guess who could this information be about.
The answer is:
ernst witt