Who was the major Victorian poet whose work was considered optimistic and innovative?

The major Victorian poet known for his optimistic and innovative work was Alfred Lord Tennyson. He served as Poet Laureate of the United Kingdom and is celebrated for his ability to blend traditional forms with contemporary themes. Tennyson's poetry often explores themes of love, nature, and the human condition, reflecting a deep sense of hope and progress during the Victorian era. Notable works include "In Memoriam" and "The Charge of the Light Brigade."