The London School of Hygiene and Tropical Medicine (LSHTM) is a public research university in Bloomsbury, central London, and a member institution of the University of London that specialises in public health and tropical medicine. The institution was founded in 1899 by Sir Patrick Manson, after a donation from the Indian Parsi philanthropist B. D. Petit. Since its foundation it has become one of the most highly placed institutions in global rankings in the fields of public health and infectious diseases.