A 37 cm by 37 cm, framed print presented to Paul Fehrenbach in 1981 when he left the Fuel Materials Branch. It depicts an important experiment he had led on the “Diameter vs Time at Power” for a fuel element. The experiment was conducted at the NRU reactor at Chalk River. The mat around the photo depicting the experiment was signed by members of the Fuel Materials Branch. In total, 32 signatures appear to be present but only the following 16 were still discernible. Elio Mizzan, Ron Stack, Clive Wood, Doug Leach, Ron Syrie, Ray Chenier, Al lane, L.C. Berthaume, Les McLaughlin, Paul Morel, Shelley Harding, Ron Shade, Alan Ross, Len Norlock, Jim Conversi, Bob Elder.