Onesimus

late 1600s-1700s · Contribution: c.1716-1721

Enslaved man; source of inoculation knowledge

Introduced the principle and procedure of variolation (smallpox inoculation) to colonial Boston — deliberately introducing material from a smallpox pustule into a small skin wound to confer immunity — based on a practice long used in West Africa

Science & Medicine — collage image
Science & Medicine

Portraits are AI-generated interpretations, not photographs.

Quick facts

Born
West Africa
Active since
1706
Category
Science & Medicine
Best known for
Introducing smallpox inoculation to colonial Boston

Impact on the world

Onesimus brought life-saving African medical knowledge to colonial America, laying groundwork for the practice of inoculation that would eventually lead to vaccination.

Sources

  1. Smithsonian

1 more sources and references are available to members.