Parse this person name:

Atenulf Mascagni, 1890-1953, flourished 1919-1938
user
first_name: Atenulf
last_name: Mascagni
middle_names: []
temporal:
- start: 1890
  end: 1953
  type: life_span
- start: 1919
  end: 1938
  type: flourished
titles: []
extra_info: []
assistant