Parse this person name:

Thomas Schenk, 1812-1854, flourished 1829-1846
user
first_name: Thomas
last_name: Schenk
middle_names: []
temporal:
- start: 1812
  end: 1854
  type: life_span
- start: 1829
  end: 1846
  type: flourished
titles: []
extra_info: []
assistant