Monotheism – the worship of one God – is thought to have emerged when the herdsman Abram, or Abraham, had a vision of the ‘one true God’ in the early half of the second millennium BC. The figure of Abraham is a shared spiritual forebear in Judaism, Christianity and Islam: in the Torah, Abraham is named as the ancestor of all Jews, in the Bible Jesus is descended from Abraham, the ‘father of faith’ and in Muslim tradition Abraham (Ibrahim) was the ‘Father of the Prophets’ and the ancestor of both the Jewish and Arabic peoples