Plato, Or The Philosopher is considered most of his important essays of Ralph Waldo Emerson. Ralph Waldo Emerson was born on May 25, 1803, in Boston, Massachusetts. In 1821, he took over as director of his brother's school for girls. In 1823, he wrote the poem "Good-Bye." In 1832, he became a Transcendentalist, leading to the later essays "Self-Reliance" and "The American Scholar." Emerson continued to write and lecture into the late 1870s. He died on April 27, 1882, in Concord, Massachusetts.