Parse this person name:

Megan Volcke (1807-1856, flourished 1837-1851)
user
first_name: Megan
last_name: Volcke
middle_names: []
temporal:
- start: 1807
  end: 1856
  type: life_span
- start: 1837
  end: 1851
  type: flourished
titles: []
extra_info: []
assistant