Tennyson was born in 1809 in Somersby, Lincolnshire, England. The fourth of twelve children, he was the son of a clergyman who maintained his office grudgingly after his younger brother had been named heir to their father's wealthy estate. According to biographers, Tennyson's father, a man of violent temper, responded to his virtual disinheritance by indulging in drugs and alcohol. Each of the Tennyson children later suffered through some period of drug addiction or mental and physical illness, prompting the family's grim speculation on the "black blood" of the Tennysons. Biographers surmise that the general melancholy expressed in much of Tennyson's verse is rooted in the unhappy environment at Somersby.

Tennyson enrolled at Trinity College, Cambridge, in 1827. There he met Arthur Hallam, a brilliant undergraduate who became Tennyson's closest friend and ardent admirer of his poetry. Hallam's enthusiasm was welcomed by Tennyson, whose personal circumstances had led...