Complex sentence: Spitzer was granted $50,000 to build an experimental device, while Tuck was turned away empty handed, but arranged to receive $50,000 from the director of Los Alamos instead.
Split into simpler sentences: Spitzer was granted $50,000 to build an experimental device, while Tuck was turned away empty handed. Not to be outdone, Tuck soon arranged to receive $50,000 from the director of Los Alamos instead.