Did Jesus Exist? The Historical Argument for Jesus of Nazareth

This monograph presents a comprehensive historical defense of Jesus's existence as a real person in first-century Palestine, written specifically to counter the growing "mythicist" movement that claims Jesus never existed. Ehrman, though himself an agnostic and critic of evangelical Christianity, argues that denying Jesus's historical existence represents a fringe position unsupported by serious scholarship.

The work systematically examines the evidence for a historical Jesus through multiple lines of inquiry. Ehrman analyzes early Christian sources, including Paul's authentic letters which reference Jesus within two decades of his death, and the independent traditions preserved in the Gospels. He demonstrates how these sources, despite their theological agendas, contain historical kernels that point to an actual Jewish preacher. The author also addresses non-Christian references to Jesus in Josephus, Tacitus, and other ancient writers, arguing that while limited, these external attestations confirm what Christian sources claim about Jesus's existence.

Methodologically, Ehrman employs standard historical-critical tools to distinguish between reliable historical data and later theological embellishment. He applies criteria such as multiple attestation, dissimilarity, and contextual credibility to extract historically probable information about Jesus. The work particularly emphasizes how certain embarrassing details about Jesus, such as his crucifixion and baptism by John, would unlikely have been invented by early Christians and thus point to authentic historical memories.

The monograph directly engages mythicist arguments, particularly those of scholars like Robert Price and amateur researchers who claim Christianity began with a mythical celestial deity later historicized into a human figure. Ehrman demonstrates their misuse of sources, selective quotations, and failure to understand ancient historical methodology. He shows how mythicist theories require increasingly complex and implausible explanations for the early Christian evidence.

While the work focuses on historical methodology rather than theological questions about God, it carries implications for religious discourse. By establishing Jesus as a historical figure, Ehrman provides a factual foundation that both believers and skeptics must acknowledge. His approach models how historical scholarship can address religiously charged topics without theological bias. The monograph thus contributes to the God debate by insisting that discussions about Jesus's significance must begin with his historical reality, not mythological speculation.