Parse this person name:

Baldur Liebelt, 1743-1800, flourished 1759-1774
user
first_name: Baldur
last_name: Liebelt
middle_names: []
temporal:
- start: 1743
  end: 1800
  type: life_span
- start: 1759
  end: 1774
  type: flourished
titles: []
extra_info: []
assistant