John Clifton "Jack" Bogle (born May 8, 1929) is the founder and retired CEO of The Vanguard Group. He is known for his 1999 book Common Sense on Mutual Funds: New Imperatives for the Intelligent Inves…
Angela Duckworth, PhD, is a 2013 MacArthur Fellow and professor of psychology at the University of Pennsylvania. An expert in non-I.Q. competencies, she has advised the World Bank, NBA and NFL teams, …
