Parse this person name:

George Gnatz (1645-1718, flourished 1665-1684)
user
first_name: George
last_name: Gnatz
middle_names: []
temporal:
- start: 1645
  end: 1718
  type: life_span
- start: 1665
  end: 1684
  type: flourished
titles: []
extra_info: []
assistant