Chapter 3 — Diffraction Patterns, 1952–1962 14 / 38

Resolution compounds — a single clear pattern ends a decade of speculation

96% 72% 48% 24% 32% 1949 Simple helix 48% 1950 Polypeptide 58% 1951 Alpha-keratin 92% 1952 DNA B-form 68% 1954 Collagen 82% 1958 Myoglobin 88% 1960 Haemoglobin Photo 51 breakthrough
Helix pitch resolved
34Å
angstroms per turn
Speculation ended
11 yr debate resolved
1938 – 1952 period
This is the X-Ray Crystallography design system, applied by Curio Design — a design-style library for AI agents. Full X-Ray Crystallography guide → designbycurio.com/learn/crystallography-x-ray