Parse this person name:

Klaus-Peter Margraf, 1872-1914, flourished 1897-1909
user
first_name: Klaus-Peter
last_name: Margraf
middle_names: []
temporal:
- start: 1872
  end: 1914
  type: life_span
- start: 1897
  end: 1909
  type: flourished
titles: []
extra_info: []
assistant