Parse this person name:

Diethelm Weitzel, 1875-1930, flourished 1902-1925
user
first_name: Diethelm
last_name: Weitzel
middle_names: []
temporal:
- start: 1875
  end: 1930
  type: life_span
- start: 1902
  end: 1925
  type: flourished
titles: []
extra_info: []
assistant