Philosophy Hall is a building on the campus of Columbia University in New York City. It houses the English, Philosophy, and French departments, along with the university's writing center, part of its registrar's office, and the student lounge of its Graduate School of Arts and Sciences. It is one of the original buildings designed for the university's Morningside Height…Philosophy Hall is a building on the campus of Columbia University in New York City. It houses the English, Philosophy, and French departments, along with the university's writing center, part of its registrar's office, and the student lounge of its Graduate School of Arts and Sciences. It is one of the original buildings designed for the university's Morningside Heights campus by McKim, Mead, and White, built in the Italian Renaissance Revival style and completed in 1910. Philosophy Hall is listed on the National Register of Historic Places and has been designated a National Historic Landmark as the site of the invention of FM radio by Edwin Armstrong in the early 1930s.