Parse this person name:

Léon Chauveau (1823-1896, flourished 1847-1861)
user
first_name: Léon
last_name: Chauveau
middle_names: []
temporal:
- start: 1823
  end: 1896
  type: life_span
- start: 1847
  end: 1861
  type: flourished
titles: []
extra_info: []
assistant