Parse this person name:

Étienne Fischer, 1783-1856, flourished 1808-1826
user
first_name: Étienne
last_name: Fischer
middle_names: []
temporal:
- start: 1783
  end: 1856
  type: life_span
- start: 1808
  end: 1826
  type: flourished
titles: []
extra_info: []
assistant