Philly.com | Herb Lotman, Founder of Keystone Foods, Dies at 80 from Heart Failure PR Newswire (press release) PHILADELPHIA, Pa., May 9, 2014 /PRNewswire/ -- Herb Lotman, 80, husband, father, successful entrepreneur, and philanthropist, died Thursday, May 8, 2014 from complications of heart failure. Mr. Lotman was the founder of Keystone Foods, supplier of ... 'One-of-a-kind' philanthropist Man who was key to McDonald's hamburger process, Chicken McNuggets dead ... More than a butcher; Herb Lotman, founder of Keystone Foods, dies at 80 |