The six pioneers profiled here were promising graduates of the Wright Brothers' School of Aviation, which flourished in Ohio from 1910 to 1916. These airmen fairly represent their 113 fellow alumni in their all-consuming love of flying. The pilots are Arthur L. Welsh, a Russian immigrant who rose to become Orville Wright's chief instructor; Howard Warfield Gill, heir to an international tea dynasty; Archibald Freeman, whose flour-bag bombing...