Parse this person name:

Frank Kruschwitz, 1933-2008, flourished 1955-1968
user
first_name: Frank
last_name: Kruschwitz
middle_names: []
temporal:
- start: 1933
  end: 2008
  type: life_span
- start: 1955
  end: 1968
  type: flourished
titles: []
extra_info: []
assistant