8. In the 1950s and 1960s, the Nobel Laureate Carleton Gajdusek studied a disease called kuru which spread among the Fore people in New Guinea through cannibalistic rituals. Kuru means shivering or trembling in the Fore language. The picture, taken by Gajdusek in 1957, shows an 8-year old girl in an advanced stage of kuru.
Their work and discoveries range from how cells adapt to changes in levels of oxygen to our ability to fight global poverty.
See them all presented here.