A medical historian with a focus on epidemiology, likely also being a doctor or having a strong academic background in medical science, who appreciates the evolution of disease understanding, public health strategies, and outbreak prevention methods.
Later, during the 1918 influenza pandemic,  a wave of suffering unlike any previously seen swept across the globe; it was amidst the chaos that the importance of aggressive public health measures, like masking and isolation, although initially met with resistance, became undeniably clear.