At 94 years old, Buffett is still going strong, but he wrote in a surprise letter to Berkshire Hathaway shareholders on Monday: “Father time always wins … To date, I’ve been very lucky, but, before long, he will get around to me.”

Tomorrow’s decisions are likely to be better made by three live and well-directed brains than by a dead hand,” wrote Buffett, whose lifetime giving of over $60 billion makes him likely the most prolific philanthropist ever.