Parse this person name:

Henri Menard, 1821-1887, flourished 1850-1860
user
first_name: Henri
last_name: Menard
middle_names: []
temporal:
- start: 1821
  end: 1887
  type: life_span
- start: 1850
  end: 1860
  type: flourished
titles: []
extra_info: []
assistant