About Oswaldo Cruz
Oswaldo Gonçalves Cruz, was a Brazilian physician, pioneer bacteriologist, epidemiologist and public health officer and the founder of the Oswaldo Cruz Institute. In 1907, on occasion of the 14th International Congress on Hygiene and Demography in Berlin, Cruz was awarded with the gold medal in recognition of the sanitation of Rio de Janeiro. His first challenge was a series of yellow fever endemics, which had earned Rio de Janeiro the sinister reputation of 'Foreigners' Grave'.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.