When Henry R. Luce chose Hedley Donovan to be editor-in-chief of his magazines (TIME, LIFE, FORTUNE, SPORTS ILLUSTRATED), he described Donovan as a "mysterious and unknown character." Luce was only half joking. Yes, Donovan was largely unknown to the staffs of the bigger, weekly TIME and LIFE, although he had successfully edited FORTUNE, the smallest but not the least of the magazines Luce founded. Yet in characterizing Donovan as mysterious, Luce was on to something.
The mystery lay in Donovan's formidable presence, over 6 ft. of reserve and taciturnity. What Donovan's children called his Grim Look was often seen by his...