Goodman and Gilman weren’t interested226 in the “vesicant” properties of mustard gas—its capacity to burn skin and membranes. They were captivated by the Krumbhaar effect—the gas’s capacity to decimate white blood cells. Could this effect, or some etiolated cousin of it, be harnessed in a controlled setting, in a hospital, in tiny, monitored doses, to target malignant white cells?
