Parse this person name:

Richard Rush (1756-1807, flourished 1776-1790)
user
first_name: Richard
last_name: Rush
middle_names: []
temporal:
- start: 1756
  end: 1807
  type: life_span
- start: 1776
  end: 1790
  type: flourished
titles: []
extra_info: []
assistant