Parse this person name:

Gregory Rush, 1406-1448, flourished 1432-1443
user
first_name: Gregory
last_name: Rush
middle_names: []
temporal:
- start: 1406
  end: 1448
  type: life_span
- start: 1432
  end: 1443
  type: flourished
titles: []
extra_info: []
assistant