Brett Keyser with Charles DarwinCharles Darwin with birdthday cakeCharles Darwin's Christmas photographCharles Darwin in a Santa hatCharles Darwin with Swarthmore PhoenixCharles Darwin with Swarthmore PhoenixCharles Darwin with Swarthmore PhoenixCharles Darwin with face maskCharles Darwin as Santa ClausCharles Darwin with three studentsCharlie's angelsCharles Darwin with a younger womanPortrait with Charles DarwinPortrait with Charles DarwinHugging Charles DarwinPortrait with Charles DarwinPortrait with Charles DarwinPortrait with Charles DarwinJeff Lott with Charles DarwinPortrait with Charles Darwin