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".
Joseph Edison Walker Joseph Edison Walker (March 31, 1879 – July 28, 1958) was a leading African American physician, businessman and religious leader. After graduating from college and medical school, he practiced as a doctor in Mississippi, where he was born and reared. He also became president of a bank and an insurance company serving blacks. In 1920 he moved with his family to Memphis, Tennessee for more opportunities.