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

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

Edward Sapir, One of the most important figures in the development of the discipline of linguistics in the United States

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

Bergson, Time and Free Will: An Essay on the Immediate Data of Consciousness