Who is the author of "Cannon to right of them, Cannon to left of them, Cannon in front of them........"?

"The Charge of the Light Brigade" is an 1854 narrative poem by Alfred, Lord Tennyson about the Charge of the Light Brigade at the Battle of Balaclava during the Crimean War. He was the Poet Laureate of the United Kingdom at the time he wrote the poem. Tennyson's poem written on December 2, 1854, published December 9, 1854 in The Examiner, praises the Brigade, "When can their glory fade? O the wild charge they made!", while mourning the appalling futility of the charge: "Not tho' the soldier knew / Some one had blunder'd." According to his grandson Sir Charles Tennyson, Tennyson wrote the poem in only a few minutes after reading an account of the battle in The Times.

Half a league, half a league,

Half a league onward,

All in the valley of Death

Rode the six hundred.

“Forward, the Light Brigade!

Charge for the guns!” he said.

Into the valley of Death

Rode the six hundred.