Birdmen, Batmen, and SkyflyersBy: Michael Abrams The Wright Brothers were wimps. Or so you might think after reading this account of their unsung but even more daring rivalsthe men and women who strapped wings to their backs and took to the sky. If only for a few seconds. People have been dying to fly, quite literally, since the dawn of history. Theyve made wings of feather and bone, leather and wood, canvas and taffeta, and thrown themselves off the highest places they could