Parse this person name:

Laurent Fischer (1785-1858, flourished 1806-1831)
user
first_name: Laurent
last_name: Fischer
middle_names: []
temporal:
- start: 1785
  end: 1858
  type: life_span
- start: 1806
  end: 1831
  type: flourished
titles: []
extra_info: []
assistant