Dr. Zina Cinker, right, executive director of the National Graphene Association headquartered in Oxford, is meeting with world leaders attending Graphene Week in Greece. With her is Sir Constantin Novoselov who won a Nobel Prize for the discovery of Graphene, a multipurpose manufactured material. Dr. Cinker was in Greece to speak and promote the NGA’s Nashville Summit, which will be Oct. 29-31. Register at www.nationalgrapheneassociation.com.