Photo credit: Credit: Gage Skidmore, Flickr – Mark Cuban's estimated net worth is $5.7 billion, but he still cares about raising children with a strong work ethic.
Photo credit: Guy Ben-Ary/YouTube & By Non Event – Alvin Lucier, CC BY-SA 2.0 – Alvin Lucier''s "brain" is still composing music 3 years after his death.