Percy Bysshe Shelley was a prominent English Romantic poet, known for his lyrical, passionate, and often radical verse. Alongside contemporaries like Lord Byron and John Keats, he is considered one of the most influential poets of the second generation of English Romanticism. His poetry frequently explores themes of political liberty, social justice, nature, and the ephemeral nature of beauty and life, often infused with a revolutionary spirit and a yearning for an idealized world.