Parse this person name:

Lukas Gutknecht (1425-1480, flourished 1453-1465)
user
first_name: Lukas
last_name: Gutknecht
middle_names: []
temporal:
- start: 1425
  end: 1480
  type: life_span
- start: 1453
  end: 1465
  type: flourished
titles: []
extra_info: []
assistant