Patent medicine businesspeople

Croatian engineer and inventor (1871–1922)

American fraudulent physician (1885-1942)

English publisher and bookseller (1713-1767)

Mexican journalist, television personality and ufologist

American chemist and art collector (Barnes collection) 1872-1951

19th century iconic concocter

American politician (1827-1888)

Nigerian inventor

German physician, alternative medicine practitioner, AIDS denier, and conspiracy theorist

British publisher and bookseller

American politician (1829–1886)