Sister Greenbank

In the novel The Secret Adversary, Sister Greenbank is a nurse whom recalled with nostalgia. During World War I she was at the hospital where Tommy was a patient and Tuppence was a V.A.D. nurse. On one occasion, Tommy had tried to persuade Sister Greenbank that the doctor had ordered beer as a tonic for him but had forgotten to write in on the chart. According to Tuppence, Sister Greenbank was "in a rage" when she found out.