Parse this person name:

Bradley Dennenberg, 1717-1761, flourished 1743-1755
user
first_name: Bradley
last_name: Dennenberg
middle_names: []
temporal:
- start: 1717
  end: 1761
  type: life_span
- start: 1743
  end: 1755
  type: flourished
titles: []
extra_info: []
assistant