<p> Marcus du Sautoy will be giving one of this year's prestigious Darwin Lectures. The theme for the twenty second annual Darwin Lecture Series is IDENTITY. Other speakers include the conductor Christopher Hogwood. Marcus's lecture entitled MATHEMATICAL IDENTITY is at 5:30 pm on Friday 9th February The Lady Mitchell Hall, Sidgwick Avenue, Cambridge. </p> <p> <a href="http://www.dar.cam.ac.uk/lectures/2007/">More details available</a> </p>