Parse this person name:

Ella Dorsman (1899-1941, flourished 1921-1936)
user
first_name: Ella
last_name: Dorsman
middle_names: []
temporal:
- start: 1899
  end: 1941
  type: life_span
- start: 1921
  end: 1936
  type: flourished
titles: []
extra_info: []
assistant