The London School of Hygiene & Tropical Medicine (informally the LSHTM) is a public research university on Keppel Street, Bloomsbury, Camden, London, and specialised in public health and tropical medicine and a constituent college of the University of London. It was founded by Sir Patrick Manson in 1899 and is one of the most prestigious institutions in the world in the fields of public health and infectious diseases, ranking highly in both national and international league tables.