John Rawls is quite arguably one of the most important political philosophers of the 20th century who has been responsible for a renewal of interest in the social contract concept. His more famous ideas deal with the original position (a rethinking of the "state of nature" argument), overlapping consensus in pluralities, the theoretical veil of ignorance in political decision making, and justice as fairness.

I think that Rawls is most likely an INTj-Ne with INFj being the next likely possibility. The interesting thing is that while I see him being > , his works often seem to try and walk the line between social and an awareness of more individualistic .