Parse this person name:

Erhard Schmidtke, 1911-1973, flourished 1931-1950
user
first_name: Erhard
last_name: Schmidtke
middle_names: []
temporal:
- start: 1911
  end: 1973
  type: life_span
- start: 1931
  end: 1950
  type: flourished
titles: []
extra_info: []
assistant