Sir Douglas Powell and Sir James Reid. Drawing.

Powell (left) was Physician in Ordinary to Queen Victoria from 1899, to King Edward VII from 1907, and to King George V, from 1910; President of the Royal College of Physicians, 1905-1910. Reid was Physician in Ordinary to Queen Victoria, 1889-1901, to King Edward VII, 1899-1910, and afterwards to King George V. Powell also acted as physician to Reid. They are here depicted as heads making up the moon