Three University of Washington professors will join a congressman, a mountain climber, inventors, architects, advocates, an astronaut and even a barista at this year’s TEDxRainier event, 9 a.m. to 5 p.m. on Saturday, Nov. 22, at Marion Oliver McCaw Hall at Seattle Center. The independently run, one-day event is in its fifth year in Seattle, modeled after the popular TED Talks. The 2014 local event brings together Seattle-area thinkers and innovators to share ideas on the theme “The Known and the…