Winston Churchill, determined. Albert Einstein, ethereal. Eleanor Roosevelt, engaging. Andy Warhol, whimsical. Pablo Picasso, intense. Georgia O’Keeffe, pensive.
Here, assembled in something of a Global Portrait Gallery, are Karsh’s People -- the men and women whom Yousuf Karsh captured in peerless portrait photographs, brought together as kind of a dream team of politics and the arts and on displa…