Parse this person name:

Stefano Kramer (1398-1472, flourished 1424-1445)
user
first_name: Stefano
last_name: Kramer
middle_names: []
temporal:
- start: 1398
  end: 1472
  type: life_span
- start: 1424
  end: 1445
  type: flourished
titles: []
extra_info: []
assistant