David Friedrich Strauss died on 8 February 1874. His Leben Jesu of 1835 was said by Albert Schweitzer to be ‘no mere destroyer of untenable solutions, but also the prophet of a coming advance in knowledge’, namely eschatology. The claims that it ‘has a different significance for modern theology from that which it had for his contemporaries’ and that it ‘marked out the ground which is now occupied by modern critical study’ appear even more true in the light of subsequent history of religions and form-critical research than Schweitzer himself realized. But as well as marking an epoch in the historical critical study of the New Testament, this book, and with it the fate of its author, remains a symbol of something else: the tension between historical research and the formation of a systematic or doctrinal theological position. Ecclesiastical authorities have in the meantime learned to live with theological pluralism and become more tolerant, but the problem itself has not disappeared. The investigation and development of Strauss' generally unappreciated contribution is perhaps an appropriate centenary celebration.