The correct answer is D. William H. McNeill.
William H. McNeill (1917-2016) was an American historian and professor emeritus at the University of Chicago. He is best known for his work on world history, including his book “Plagues and Peoples” (1976). In this book, McNeill argues that disease has been a major factor in shaping human history. He traces the spread of diseases such as smallpox, measles, and influenza, and shows how they have affected the rise and fall of civilizations.
A. W. L. Thomas (1913-1980) was a British zoologist and ecologist. He is best known for his book “The Lives of a Cell” (1974), which won the Pulitzer Prize for General Nonfiction.
Rachel Carson (1907-1964) was an American marine biologist and conservationist. She is best known for her book “Silent Spring” (1962), which is credited with launching the environmental movement.
David Cannadine (born 1950) is a British historian. He is the author of several books on British history, including “The Rise and Fall of Great Britain” (2000).