Max Perutz the onset of Huntington disease is related to the number of glutamine repeats as they bind to form what he called a polar zipper. During the early 1950s, while Watson and Crick were determining the structure of deoxyribonucleic acid (DNA), they made use of unpublished X-ray diffraction images taken by Rosalind Franklin, shown at meetings and shared with them by Maurice Wilkins, and of Franklin's preliminary account of her detailed analysis of the X-ray images included in an unpublished 1952 progress report for the King's College laboratory of Sir John Randall. Randall and others eventually criticised the manner in which
DNA Tower The glass is held in place by a steel armature that is painted blue. The base support of the sculpture is surrounded and protected by a 5' tall circular cherry wood base that is 5'5" in diameter. "DNA Tower" was commissioned to commemorate both the 100th anniversary of the IU School of Medicine (founded 1903) and the 50th anniversary of the discovery of the structure of the DNA molecule (discovered 1953) by 1950 IU alumnus James D. Watson and his colleague Francis Crick. The glass pieces and painted steel armature were fabricated in Chihuly's Seattle studios. On September 23, 2003,