D.B. Cooper. Amelia Earhart. Jimmy Hoffa. All prominent Americans whose unexplained disappearances have fascinated and confounded armchair historians and professionals alike—and created fertile ground for all manner of wild explanations and conspiracy theories.
Ditto for Glenn Miller, one of the University of Colorado Boulder’s most illustrious alumni, who was the nation’s most famous big-band leader when he disappeared Dec. 15, 1944, after heading out over the English Channel on a small military plane bound for Paris.