Parse this person name:

Robert Thompson, 1912-1955, flourished 1940-1950
user
first_name: Robert
last_name: Thompson
middle_names: []
temporal:
- start: 1912
  end: 1955
  type: life_span
- start: 1940
  end: 1950
  type: flourished
titles: []
extra_info: []
assistant