Alfred Nobel made his name as an inventor and successful entrepreneur and left a legacy as a philanthropist and promoter of learning and social progress.

The correspondence between Nobel and his Viennese mistress, Sofie Hess, shines a light on his private life and reveals a personality that differs significantly from his public image. The letters show him as a hypochondriac and workaholic and as a paranoid, jealous, and patriarchal lover. Indeed, the relationship between the aging Alfred Nobel and the carefree, spendthrift Sofie Hess will strike readers as dysfunctional and worthy...