- William D. O’Neil
Mitchell, Billy (29 December 1879–19 February 1936), army officer, air war pioneer, and air policy advocate, was born William Mitchell in Nice, France, where his parents, John Lendrum Mitchell and Harriet Danforth Becker, were on an extended sojourn. His father, a leisured gentleman, would later become a legislator and head of the family banking firm. In 1882 the Mitchells returned to their estate outside Milwaukee, Wisconsin. Willie, as he was called, was cared for by his nanny and governess but remained especially close to his mother until her death in 1922....