President Obama flashed the Vulcan salute when Nichelle Nichols paid him a visit at the White House. The 'Star Trek' legend, who played Lt. Uhura aboard the USS Enterprise, posed with him in February but waited until Tuesday night to tweet the photo, which she has made her Twitter avatar.
The day of her visit, Nichols wrote several breathless tweets:
Also on HuffPost:
HuffPost Politics brings you the top political stories three days a week. Learn more