While Warren Buffet remains the highest profile investor of our time, another investor worth becoming familiar with is Seth Klarman. His firm, The Baupost Group, focuses on value investing and has been notable for holding significant amounts of cash in its portfolios if suitable investment opportunities are not present.
In 1991, Klarman wrote "Margin of Safety, Risk Averse Investing Strategies for the Thoughtful Investor" which is an out-of-print value investing classic.
Click here to access his March 2009 interview at the Ben Graham Center for Value Investing. The video's duration is a little over one hour. It is time well spent.