Emilio Marcondes Ribas, Brazilian hygienist (Pindamonhangaba, São Paulo State 11 April 1862 – São Paulo 19 December 1925)

Authored notable works about alastrim and smallpox

Distinguished alastrim or variola minor from variola major or smallpox

A propósito do alastrim. Rev. Med. S. Paulo 14(16):, 1911

Authored many clinical studies and therapeutic methods employed in leprosy treatment

HONORS  

Invited by Royal Society of Tropical Medicine and Hygiene (U.K.) to give lecture about his successful means employed against yellow fever in Brazil (1909) 

Invited by French Government to participate in a medical mission against yellow fever in Martinique

Ribas-Torres disease (variola minor or alastrim)