Parse this person name:

Ravi Claesner (1740-1812, flourished 1765-1779)
user
first_name: Ravi
last_name: Claesner
middle_names: []
temporal:
- start: 1740
  end: 1812
  type: life_span
- start: 1765
  end: 1779
  type: flourished
titles: []
extra_info: []
assistant