Parse this person name:

Kevin Robertson-Cooper (1946-1994, flourished 1975-1987)
user
first_name: Kevin
last_name: Robertson-Cooper
middle_names: []
temporal:
- start: 1946
  end: 1994
  type: life_span
- start: 1975
  end: 1987
  type: flourished
titles: []
extra_info: []
assistant