<i>First, do no harm. </i>How do we defend the "truth" when no one agrees what it is and many have reason to undermine it?Very freely adapting <i>Professor Bernhardi</i> by Arthur Schnitzler, Robert Icke''s gripping moral thriller uses the lens of medical ethics to examine urgent questions of faith, belief, and scientific rationality.After a critically acclaimed run at London''s Almeida Theatre, <i>The Doctor</i> transferred to the West End in September 2022. This revised and updated edition was published to coincide with the new production.