Worms and dead eggs in the long hot summer -- Three generations of Christophersons : tanner to clergyman to physician -- The Boer War experience : the Imperial Yeomanry Hospital-a palace in the desert -- Sudan 1902-3 : smallpox delivers both fear and opportunity -- 1904 and the appointment blunder -- The wellcome laboratory on the Nile and a relapsing fever dispute. A storm in a teacup? Some of what really happened is revealed only in 1923 -- Christopherson's difficult years : surviving disaster : 1908-1911 -- 1912 marriage and the decision to remain in Sudan -- With the Red Cross in Serbia, and Rudolph Slatin's role as 'fairy godfather' -- France 1917. The commission on medical establishments -- The 'Aha' moment and consequences -- On the practice of medicine, Sudan 1902-1919 -- Life after Sudan-the varied life of a London consultant -- Heavensgate, Gloucestershire -- Looking back from the twenty-first century.