Billionaire Financier and Philanthropist Robert Day Dies at 79

Robert Day, heir to an oil fortune, founded asset management firm TCW Group and later became an influential philanthropist.
TCW Group oversaw $80 billion in assets before selling to Société Générale for over $1.3 billion in 2001.
After selling TCW Group, Mr. Day focused primarily on philanthropy through the Keck Foundation, which his grandfather founded.
He made significant donations to Claremont McKenna College, including a $500 million gift in 2007 that led to renamed departments and new centers.
Mr. Day also donated to various Southern California institutions and is survived by his wife, children and grandchildren.