Parse this person name:

Walter Blackwell, 1944-2016, flourished 1962-1985
user
first_name: Walter
last_name: Blackwell
middle_names: []
temporal:
- start: 1944
  end: 2016
  type: life_span
- start: 1962
  end: 1985
  type: flourished
titles: []
extra_info: []
assistant