Later that day, an idea for an experiment to confirm Pauling's model occurred to Perutz, and he rushed to the lab to carry it out. Within a few hours, he had the evidence to confirm the alpha helix, which he showed to Bragg first thing on Monday.
Later that day, an inspiration for testing Pauling's model arose in Perutz's mind, and he quickly headed to the lab to carry out the experiment. Within a few hours, he had findings supporting the alpha helix theory, which he presented to Bragg early on Monday.