Parse this person name:

Sven Rackham (1866-1938, flourished 1886-1914)
user
first_name: Sven
last_name: Rackham
middle_names: []
temporal:
- start: 1866
  end: 1938
  type: life_span
- start: 1886
  end: 1914
  type: flourished
titles: []
extra_info: []
assistant