 During this period, James L. Tuck who had worked with the UK teams on z-pinch had been introducing the concept to his new coworkers at the Los Alamos National Laboratory (LANL).When he heard of Spitzer's pitch for funding, he applied to build a machine of his own, the Perhapsatron.Spitzer's idea won funding and he began work on the stellarator under the code name Project Matterhorn.