Parse this person name:

Thomas Johnson, 1900-1961, flourished 1925-1940
user
first_name: Thomas
last_name: Johnson
middle_names: []
temporal:
- start: 1900
  end: 1961
  type: life_span
- start: 1925
  end: 1940
  type: flourished
titles: []
extra_info: []
assistant