Parse this person name:

Robert Gross (1876-1922, flourished 1892-1906)
user
first_name: Robert
last_name: Gross
middle_names: []
temporal:
- start: 1876
  end: 1922
  type: life_span
- start: 1892
  end: 1906
  type: flourished
titles: []
extra_info: []
assistant