A few blocks away from the Rose Bowl in Pasadena, Calif., a slight, bespectacled, gray-haired man sits motionless in a reclining chair in his study, staring vacantly into space. Paul MacCready is engaged in his most productive activity, daydreaming.
His chin is cupped in one hand, a ball-point pen in the other, and opened on his lap is a large notebook with lined pages. Occasionally he stirs, his eyes focus, and in tidy, cramped handwriting he adds a sentence or two to the notebook, already largely filled. To a visitor the pages look vaguely familiar. Then realization dawns. The black-inked notations...