Parse this person name:

Ralph Weber (1903-1981, flourished 1921-1945)
user
first_name: Ralph
last_name: Weber
middle_names: []
temporal:
- start: 1903
  end: 1981
  type: life_span
- start: 1921
  end: 1945
  type: flourished
titles: []
extra_info: []
assistant