John Lloyd, writer with a Welsh connection!
John LloydAccording to 'Kremers and Urdang's History of Pharmacy' was 'one of the greatest pharmacists and chemists America has ever had'. Won three Ebert Prizes and Remington Medal. Served as president of American Pharmaceutical Association 1887 to 1888. Numerous inventions.
Connection: His great-grandfather emigrated from Wales around 1770
A powerful proponent of herbal medicine and was a prominent eclectic. Co-founder of the Lloyd Library and Museum, Cincinnati. Author of numerous scientific works and also a few fictional best sellers including Etidorhpa, first published 1895.