Question: Who was known for his promotion of inoculation for disease prevention and owned the slave Onesimus?

Related documents: [0]  [DOC] Cotton Mather, FRS (February 12, 1663 – February 13, 1728; A.B. 1678, Harvard College; A.M. 1681, honorary doctorate 1710, University of Glasgow) was a socially and politically influential New England Puritan minister, prolific author, and pamphleteer. He left a scientific legacy due to his hybridization experiments and his promotion of inoculation for disease prevention, though he is most frequently remembered today for his vigorous support for the Salem witch trials. He was subsequently denied the Presidency of Harvard College which his father, Increase Mather, had held. [END] 
[1]  [DOC] 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". [END]  
Answer: Cotton Mather
Cotton Mather