Parse this person name:

Ronald Davis (1930-1988, flourished 1957-1972)
user
first_name: Ronald
last_name: Davis
middle_names: []
temporal:
- start: 1930
  end: 1988
  type: life_span
- start: 1957
  end: 1972
  type: flourished
titles: []
extra_info: []
assistant