Parse this person name:

Heinz-Gerd Mies, 1849-1925, flourished 1875-1895
user
first_name: Heinz-Gerd
last_name: Mies
middle_names: []
temporal:
- start: 1849
  end: 1925
  type: life_span
- start: 1875
  end: 1895
  type: flourished
titles: []
extra_info: []
assistant