Q:- death place is copenhagen , denmark    - significant buildings is national Østervold observatory and kapodistrian university of athens copenhagen municipal hospital    - death date is 2 may 1883      - birth date is 20 april 1803      - image size is 220    - nationality is danish    - image is christian hansen.jpg    - birth place is copenhagen , denmark    - alma mater is royal danish academy of fine arts    Given the details above, guess who could this information be about.
A:
christian hansen -lrb- architect -rrb-