Parse this person name:

Ewald Werner, 1816-1857, flourished 1836-1852
user
first_name: Ewald
last_name: Werner
middle_names: []
temporal:
- start: 1816
  end: 1857
  type: life_span
- start: 1836
  end: 1852
  type: flourished
titles: []
extra_info: []
assistant