New Delhi, April 28 -- For three years, Dr. Jamal Eltaeb made excruciating choices. Who should live and potentially die? Should he operate without the right medicines if it might save someone's life? How would he find fuel to keep the hospital's lights on?

As the war in Sudan raged around him, only one decision was easy: Keep working.

The orthopedic surgeon was leading Al Nao hospital in Omdurman, just outside the capital, Khartoum, as control of the urban area shifted between Sudan's army and paramilitary fighters. As the front line moved closer and the hospital overflowed with patients, some colleagues lost their nerve and left.

The soft-spoken Eltaeb was a rare surgeon who remained. Even as the hospital was bombed more than once. Ev...