Parse this person name:

Nathan Lynch (1938-2017, flourished 1956-1972)
user
first_name: Nathan
last_name: Lynch
middle_names: []
temporal:
- start: 1938
  end: 2017
  type: life_span
- start: 1956
  end: 1972
  type: flourished
titles: []
extra_info: []
assistant