Parse this person name:

Augustin Brun (1829-1895, flourished 1857-1873)
user
first_name: Augustin
last_name: Brun
middle_names: []
temporal:
- start: 1829
  end: 1895
  type: life_span
- start: 1857
  end: 1873
  type: flourished
titles: []
extra_info: []
assistant