This studies different religions of the world usually "from the outside".

This is a branch of religious studies that systematically compares the doctrines and practices of the different world religions.

This deals with issues like whether the existence of God can be adequately proven and whether the existence of evil can be adequately demonstrated to be compatible with the goodness and power of God.

This person is the most influential proponent of comparative religion in the nineteenth century.

He is a Christian theologian and philosopher famous for his five proofs for the existence of God.

He is the founder of psychoanalysis who saw religion as a childish illusion that serves as a mechanism for people to deal with their helplessness and anxiety

He saw religion, particularly the Protestant Church of Calvinism, as the one that created capitalism.

He saw the essence of religion, or the minimum defining property of religion, as "the belief in Spiritual Beings", which he called animism.

He was the founder of analytic psychology who saw religion as a way of making person whole.