Sir Arthur Lewis received the Nobel Prize in Economic Sciences (jointly) in 1979 for pioneering research into economic development research with particular consideration of the problems of developing countries. Sir Arthur Lewis was a student at LSE from 1934 to 1937, and a member of staff from 1938 to 1948.
After leaving school in St Lucia at 14, he went to work and then won a scholarship to study at LSE. He was UN economic adviser to the prime minister of Ghana, and deputy managing director of the UN Special Fund. He also set up the Caribbean Development Bank.
Read more about Arthur Lewis at the LSE History Blog.