Once the world started realising how important Jenner's invention was, the praise began to roll in. Although he never seemed to have profited from the vaccine, perhaps he valued some of the comments more than any riches. Then US president Thomas Jefferson wrote directly to Jenner from America in 1806 saying that "mankind can never forget that you have lived". Gower and the Berkeley villagers are trying to make sure they maintain a site that ensures that never happens.