Complex sentence: "The Gate of the Year" is a poem by Minnie Louise Haskins, an American academic who studied and then taught at the London School of Economics in the first half of the twentieth century.
Split into simpler sentences: The Gate of the Year is the popular name given to a poem by Minnie Louise Haskins. She was an American academic who studied and then taught at the London School of Economics in the first half of the twentieth century.