Who was known for his promotion of inoculation for disease prevention and owned the slave Onesimus?
Onesimus (Boston slave) Onesimus (late 1600s–1700s) was an African-born man held as a slave by Puritan minister Cotton Mather, who helped mitigate the impact of a smallpox outbreak in Boston by introducing Mather to the principle of inoculation. In a 2016 "Boston Magazine" survey, he was declared one of the "Best Bostonians of All Time".
Felicissimus Felicissimus (died 271?) was a public officer in Ancient Rome, during the reign of Emperor Aurelian. He is famous because he led an uprising of mint workers against the Emperor, but was defeated and killed, possibly in 274, but more probably in 271.