Jack Dylan Grazer's grandparents are Angela Lafever and Gavin Grazer.
Claude Lorius -LRB- born 1932 -RRB- is a French glaciologist .. French. France. glaciologist. glaciologist. He is director emeritus of research at CNRS .. CNRS. CNRS. He was the director of the Laboratoire de glaciologie et geophysique de l'environnement in Grenoble from 1983 to 1988 .. Laboratoire de glaciologie et geophysique de l'environnement. Laboratoire de glaciologie et geophysique de l'environnement. Grenoble. Grenoble. He has taken part in more than 20 polar expeditions , mostly to Antarctica , and has helped organise many international collaborations , notably the Vostok Station ice core .. Vostok Station. Vostok Station. ice core. ice core. He was instrumental in the discovery and interpretation of the palaeo-atmosphere information within ice cores .