Jesty is the first person recorded as having inoculated a person with cowpox matter in order to protect against smallpox--the procedure subsequently known as vaccination. He carried out this procedure on his wife and sons in Dorset in 1774, some twenty years before Edward Jenner carried out the same operation independently in Gloucestershire
<nowiki>Benjamin Jesty; pittura di Michael William Sharp; Michael William Sharp festménye; pintura de Michael William Sharp; quadre de Michael William Sharp; Gemälde von Michael William Sharp; pintura de Michael William Sharp; painting by Michael William Sharp; maleri af Michael William Sharp; pictură de Michael William Sharp; obraz Michael William Sharp; målning av Michael William Sharp; måleri av Michael William Sharp; pintura de Michael William Sharp; schilderij van Michael William Sharp; tableau de Michael William Sharp; pikturo da Michael William Sharp; cuadro de Michael William Sharp; painting by Michael William Sharp, now in Wellcome Collection; pintura de Michael William Sharp; pentraĵo de Michael William Sharp; maleri av Michael William Sharp; pintura di Michael William Sharp</nowiki>
Benjamin Jesty
painting by Michael William Sharp, now in Wellcome Collection