Parse this person name:

Dirk van Mook, 1887-1955, flourished 1907-1921
user
first_name: Dirk
last_name: van Mook
middle_names: []
temporal:
- start: 1887
  end: 1955
  type: life_span
- start: 1907
  end: 1921
  type: flourished
titles: []
extra_info: []
assistant