This reading on Ralph Waldo Emerson and its accompanying vocabulary-building and comprehension worksheet might be useful in presenting high school students with a more robust biographical knowledge of this key figure in American letters. As a philosopher, Emerson was highly regarded by Friedrich Nietzsche, among others; his circle, known as the Transcendentalists, left a mark on American culture that is not always easy to trace, but of clear continuity once its traces are found.
If you find typos in these documents, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.