"In Memoriam A.H.H." is a poem written by Alfred Lord Tennyson in memory of his close friend Arthur Hallam, who died suddenly in 1833. The poem, published in 1850, consists of 131 sections and explores themes of love, loss, and grief. Tennyson reflects on his deep friendship with Hallam and the impact of his death on his life. The work is notable for its emotional depth and philosophical insights, addressing the struggle to find meaning in sorrow. It also touches on the concepts of faith and immortality, ultimately seeking solace in the belief that love endures beyond death.