Katalin Karikó, 68, and Drew Weissman, 64, first met in the 1990s while working at the University of Pennsylvania after a chance meeting while photocopying research papers.Katalin Karikó, 68, and Drew Weissman, 64, first met in the 1990s while working at the University of Pennsylvania after a chance meeting while photocopying research papers.Read MoreHealth News | Mail Online