LECU LAI CONFIGURATION OF NUCLEIC ACIDS 



tual support throughout : preparing UNA tor X-ray stu 



Harriet Ephrussi-Tavlor tor the privilege of collaborating with her in stud- 

 stalhzarion ot transforming principle; the laboratory technicians, 

 mechanics and photographers, including P.J. Cooper. N. Chard. J. Hayward, 

 . F.Colh. lx>r, and R.Lerner, for having played a valuable pan 



rious su: 

 I also wish to thank: 



the Medical Research Council for their far-sighted and consistent support 



or work j College for being our base: I.B.M. United Kingdom 



Limited and I.B. .d Trade Corporation and the London University 



:or help with computing: The Rockefeller Foundation and 



The British Empire Cancer Campaign for financial support: the Sloan- 



'. rk, and the Stazione Zoologica, Naples, for use 

 of tacili: 



_ nerally, I thank : 

 Francis Crick and Jim Watson for stimulating discussi nan Sim- 



mons for having refined techniques ot isolating DNA and thereby helping 

 a great many workers including ourselves : many other workers for supplying 

 us with DNA and RNA; and especially, Erwin ChargafFfor laying foun- 

 dations tor nucleic acid structural studies by his analytical work and his dis- 

 i the equality of base contents in DNA, and for generously helping 

 us newcomers in the field of nucleic acids. 



i. T. Caspers> 94i) 33- 



Brachet. . Liege, 53 [942 



T. Avery, C. M. MacLeod, and ML McCarry. J. Exp. Med.. 7 

 4. R. Signer and H Schwander, Heh _ 53. 



A. D. Hershey and M. Chase,/. Gen. '. 39- 



6. E. ChargafE, Experiemia, t 201. 



' R. Signer, T. Caspersson, and E. Hammars: 



Schmidt, DU Doppelbrechung von Karyoplasma, Zytoph& '. raplastna, 



Borntraeger, Berlin, 1937 

 9. H. O. E. Pactri, Z. Zellfr _ -_ 



10. W. T. Astbury, Sytr.p. Soc. Exptl. Biol, I. I id, Cambridge Univ. Press, 

 1947, p. 66. 



11. J. M. Gulland and D. O. Jordan, Symp . : Acid, Cambridge 



- 

 midland, Cold. - 17)95. 



D. Watson and F. EL C re, 171 (1951 



s-58 



