Parse this person name:

Senn Veltman (1498-1558, flourished 1517-1537)
user
first_name: Senn
last_name: Veltman
middle_names: []
temporal:
- start: 1498
  end: 1558
  type: life_span
- start: 1517
  end: 1537
  type: flourished
titles: []
extra_info: []
assistant