Parse this person name:

Henri Mälzer-Hein (1812-1883, flourished 1832-1846)
user
first_name: Henri
last_name: Mälzer-Hein
middle_names: []
temporal:
- start: 1812
  end: 1883
  type: life_span
- start: 1832
  end: 1846
  type: flourished
titles: []
extra_info: []
assistant