JOHN STUART MILL
1806 - 1873

John Stuart was born in London, England, and became known as a philosopher. He was taught by his father, the historian and philosopher James Mill.

John Stuart established the Utilitarian Society.
 

What in the world is Utilitarianism?
Merriam-Webster's dictionary tell us: "Utilitarianism: a doctrine that the useful is the good and that the determining consideration of right conduct should be the usefulness of its consequences; specifically : a theory that the aim of action should be the largest possible balance of pleasure over pain or the greatest happiness of the greatest number"

More about Utilitarianism at http://www.utilitarianism.com/