Parse this person name:

François Le Gall (1828-1873, flourished 1851-1868)
user
first_name: François
last_name: Le Gall
middle_names: []
temporal:
- start: 1828
  end: 1873
  type: life_span
- start: 1851
  end: 1868
  type: flourished
titles: []
extra_info: []
assistant