Solution:Richard Dawkins: is a British ethnologist and evolutionary
biologist.Alan Greenspan: is an American economist who served aschairman of the Federal Reserveof the United States from 1987 to 2006.
Vernon Heywood: is a renowned British biologist. His main fields of excellence are medicinal and aromatic plants, and the conservation of wild relatives of plants.
Olivar Sachs: is a British neurologist residing in New York city.
Stephan Howking: is an English theoretical physicist and cosmologist, whose scientific books and public appearances have made him an academic celebrity.