Parse this person name:

Gusti Lehmann, 1466-1521, flourished 1486-1498
user
first_name: Gusti
last_name: Lehmann
middle_names: []
temporal:
- start: 1466
  end: 1521
  type: life_span
- start: 1486
  end: 1498
  type: flourished
titles: []
extra_info: []
assistant