John Stuart Mill, Essays on some unsettled Questions of Political Economy

Mark Twain, American writer, humorist, entrepreneur, publisher, and lecturer.

John Maynard Keynes, Creator of Keynesian. English economist whose ideas fundamentally changed the theory and practice of macroeconomics

A. Frederick Collins, Author of The Radio Amateur's Hand Book

George Boole, George Boole: Self-taught English mathematician and first math professor at Queen's College, Cork.