When a Rabbi Walked into the Vienna Circle: Joseph Schaechter as a Religious Empiricist

The Vienna Circle was one of the twentieth century’s most influential intellectual movements, known for its scientific rigor and explicitly anti-religious stance. Its members famously declared that religious statements are meaningless, mere “nonsense.” Against this background, it is striking that one of its members was a rabbi - Joseph Schaechter. Raised and educated in a traditional Jewish environment and ordained as a rabbi, Schaechter never abandoned his religious faith while actively participating in the Circle. This paper examines how he reconciled his commitment to logical positivism with his enduring religiosity. I argue that Schaechter developed an original and creative position that I call religious empiricism: the view that religious experience, like sensory perception, provides access to empirical knowledge of the divine. This innovative approach not only bridges science and faith but also laid the conceptual groundwork for the new spiritual movement Schaechter later advanced in Israel.