Billionaire Charlie Munger, who passed away at 99. Charlie Munger was a renowned investor and vice chairman of Berkshire Hathaway, known for his business acumen and partnership with Warren Buffett.
Tim Cook Twitted: "A titan of business and keen observer of the world around him, Charlie Munger helped build an American institution, and through his wisdom and insights, inspired a generation of leaders. He will be sorely missed. Rest in peace Charlie."