Howard Ricketts (30 dic 1909 año – 30 dic 1924 año)
Descripción:
* found typhus locatedin the blood of the victim and in the bodies of the lice. Ricketts showed that the disease could be transmitted to monkeys* went to Northwestern university
* (interesting fact) died of this disease
Añadido al timeline:
fecha:
30 dic 1909 año
30 dic 1924 año
~ 15 years