Being and Time important, i.e., "Dasein". Heidegger wrote that "Being and Time" was made possible by his study of Edmund Husserl's "Logical Investigations" (1900–1901), and it is dedicated to Husserl "in friendship and admiration". Although Heidegger did not complete the project outlined in the introduction, "Being and Time" remains his most important work. It was immediately recognized as an original and groundbreaking philosophical work, and later became a focus of debates and controversy, and a profound influence on 20th-century philosophy, particularly existentialism, hermeneutics, deconstruction, and the enactivist approach to cognition. "Being and Time" has been described as the most influential version of existential
Nietzsche: Philosopher, Psychologist, Antichrist 1974. In 2013 an edition with a new foreword by the philosopher Alexander Nehamas was published. "Nietzsche: Philosopher, Psychologist, Antichrist" was reviewed by Chris Terry in "Times Higher Education". The book was also discussed by the philosopher Richard Rorty in "The New Republic". Rorty described the book as "path-breaking", but wrote that it had been superseded by the philosopher Richard Schacht's "Nietzsche" (1983), which in Rorty's view was more comprehensive, better organized and more helpful to readers who were new to Nietzsche and needed help in understanding the apparent contradictions in Nietzsche's views. "Nietzsche: Philosopher, Psychologist, Antichrist" received positive reviews