Parse this person name:

Timo van Waas, 1729-1789, flourished 1746-1773
user
first_name: Timo
last_name: van Waas
middle_names: []
temporal:
- start: 1729
  end: 1789
  type: life_span
- start: 1746
  end: 1773
  type: flourished
titles: []
extra_info: []
assistant