 Since Kierkegaard was raised as a Lutheran, he was commemorated as a teacher in the Calendar of Saints of the Lutheran Church on 11 November and in the Calendar of Saints of the Episcopal Church with a feast day on 8 September.Philosophers and theologians influenced by Kierkegaard include Hans Urs von Balthasar, Karl Barth, Simone de Beauvoir, Niels Bohr, Dietrich Bonhoeffer, Emil Brunner, Martin Buber, Rudolf Bultmann, Albert Camus, Martin Heidegger, Abraham Joshua Heschel, Karl Jaspers, Gabriel Marcel, Maurice Merleau-Ponty, Reinhold Niebuhr, Franz Rosenzweig, Jean-Paul Sartre, Joseph Soloveitchik, Paul Tillich, Malcolm Muggeridge, Thomas Merton, Miguel de Unamuno.Paul Feyerabend's epistemological anarchism in the philosophy of science was inspired by Kierkegaard's idea of subjectivity as truth.