What key details about j. richard gott can be extracted from the following bio? Bio: john richard gott iii -lrb- born february 8 , 1947 in louisville , kentucky -rrb- is a professor of astrophysical sciences at princeton university . he is known for developing and advocating two cosmological theories : time travel and the doomsday argument .
- caption is j. richard gott -lrb- 1989 -rrb-- field is astrophysics , gravitational physics- work institution is princeton university- birth date is 8 february 1947- name is john richard gott iii- image size is 240px- nationality is american- image is jrichardgott1989.jpg- birth place is louisville , kentucky , united states