Bertrand Arthur William Russell (1872–1970) was a British philosopher, logician, and writer, born on 18 May 1872 at Trelleck. A founding figure of analytic philosophy and logicism, he published extensively on logic, epistemology, and the theory of knowledge, with his best-known works including Principia Mathematica and A History of Western Philosophy (1945), which became a bestseller. He received the 1950 Nobel Prize for Literature.

Robert Allan Caro is an American journalist and author known for his biographies of United States political figures Robert Moses and Lyndon Johnson..

Walter Seff Isaacson is an American journalist who has written biographies of Henry Kissinger, Benjamin Franklin, Leonardo da Vinci, Albert Einstein, Steve Jobs, Jennifer Doudna, and Elon Musk.

Adam Smith was a Scottish economist and philosopher who was a pioneer in the field of political economy and key figure during the Scottish Enlightenment.

French aristocrat and political thinker Alexis Charles Henri de Tocqueville transformed how the world understood democracy through his keen observations of 19th-century America.

Ronald Chernow is an American writer, journalist, and biographer.