Howard Ricketts (30 dez 1909 ano – 30 dez 1924 ano)
Descrição:
* 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
Adicionado na linha do tempo:
Data:
30 dez 1909 ano
30 dez 1924 ano
~ 15 years