With a new foreword by Dermot Moran ?the work here presented seeks to found a new science ? though, indeed, the whole course of philosophical development since Descartes has been preparing the way for it ? a science covering a new field of experience, exclusively its own, that of "Transcendental Subjectivity"? - Edmund Husserl, from the author?s preface to the English Edition Widely regarded as the principal founder of phenomenology, one of the most important movements in twentieth century philosophy, Edmund Husserl?s Ideas is one of his most important works and a classic of twentieth century thought. This Routledge Classics edition of the original translation by W.R. Boyce Gibson includes the introduction to the English edition written by Husserl himself in 1931.