Parse this person name:

Milan Stiffel (1714-1780, flourished 1740-1756)
user
first_name: Milan
last_name: Stiffel
middle_names: []
temporal:
- start: 1714
  end: 1780
  type: life_span
- start: 1740
  end: 1756
  type: flourished
titles: []
extra_info: []
assistant