Final answer:
William Butler Yeats authored both "The Lake Isle of Innisfree" and "Adam's Curse," two poems exploring themes of nature, love, and Irish identity.
Step-by-step explanation:
The poems "The Lake Isle of Innisfree" and "Adam's Curse" were both written by the Irish poet William Butler Yeats. Yeats is renowned for his intricate poetry that often reflects on nature, love, and Irish identity. Both poems exemplify Yeats's rich use of language and deep exploration of personal and cultural themes. "The Lake Isle of Innisfree" expresses a yearning for the peace and simplicity of nature, symbolized by the idyllic Innisfree, while "Adam's Curse" deals with the effort and pain often found in love and creation, alluding to the Biblical tale of Adam's fall.