I visited Jobs for the last time in his Palo Alto, Calif., home. He had moved to a downstairs bedroom because he was too weak to go up and down stairs. He was curled up in some pain, but his mind was still sharp and his humor vibrant.

S. -Vietnam Dialogue Group on Agent Orange/Dioxin. He then attended the University of Oxford as a Rhodes Scholar at Pembroke College and read Philosophy Politics and Economics (PPE).

C. He is the President and CEO of the Aspen Institute a nonpartisan educational and policy studies organization based in Washington D. Walter Isaacson (born May 20 1952) is a writer and biographer.