Parse this person name:

Berndt Zahn (1880-1945, flourished 1903-1928)
user
first_name: Berndt
last_name: Zahn
middle_names: []
temporal:
- start: 1880
  end: 1945
  type: life_span
- start: 1903
  end: 1928
  type: flourished
titles: []
extra_info: []
assistant