1Adam Thomson to David Hall, with Franklin’s Certificate, 17 December 1750 (Franklin Papers)
Printed in The Pennsylvania Gazette , December 18, 1750. Dr. Adam Thomson, a Scots physician in Maryland, achieved some reputation for his new method of inoculating for smallpox, preparing the patient with debilitating drugs and a mild milk and vegetable diet. In 1750, now settled in Philadelphia, he asked and received through Franklin permission of the trustees of the Academy to read, at a...