Emily Dickinson is an influential American poet known for her original and unique poetry, much of which remained unpublished during her lifetime due to her reclusive nature. Her works reflect the societal constraints of her era and explore themes such as death, individuality, and emotional extremes, making significant contributions to American literature. After her death in 1886, thousands of her poems were discovered and published, solidifying her legacy as one of the greatest poets of the nineteenth century.