Parse this person name:

Gerald Walker (1341-1415, flourished 1365-1379)
user
first_name: Gerald
last_name: Walker
middle_names: []
temporal:
- start: 1341
  end: 1415
  type: life_span
- start: 1365
  end: 1379
  type: flourished
titles: []
extra_info: []
assistant