Parse this person name:

Gregory Crawford, 1472-1546, flourished 1487-1502
user
first_name: Gregory
last_name: Crawford
middle_names: []
temporal:
- start: 1472
  end: 1546
  type: life_span
- start: 1487
  end: 1502
  type: flourished
titles: []
extra_info: []
assistant