Parse this person name:

Ryan Brown (1881-1934, flourished 1908-1929)
user
first_name: Ryan
last_name: Brown
middle_names: []
temporal:
- start: 1881
  end: 1934
  type: life_span
- start: 1908
  end: 1929
  type: flourished
titles: []
extra_info: []
assistant