Parse this person name:

Ronald Perry-Dawson (1825-1866, flourished 1842-1855)
user
first_name: Ronald
last_name: Perry-Dawson
middle_names: []
temporal:
- start: 1825
  end: 1866
  type: life_span
- start: 1842
  end: 1855
  type: flourished
titles: []
extra_info: []
assistant