Franklin and Wilkens experiments (6 ore 21 min, 1 gen 1944 anni – 16 ore 29 min, 24 magg 1958 anni)
Descrizione:
 Wilkins began using X-ray diffraction  to produce images of the DNA molecules. 
Franklin also helped by using two different fibers of DNA, a hydrated one and a dry one. Then she deduced the basic dimension of DNA strands. She also discovered that the phosphates were probably outside of the helical structure. 
Aggiunto al nastro di tempo:
Data:
6 ore 21 min, 1 gen 1944 anni
16 ore 29 min, 24 magg 1958 anni
 ~ 14 years