Corrections

SEPTEMBER 1970, page 24, column 2, line 31. It is not true that molecular biology had no name in 1938. The name appears in the 1938 Annual Report of the Rockefeller Foundation, in a piece by Warren Weaver describing the pioneering program of the Foundation in this field. The article of E. L. Hess quoted in the text mistakenly attributes the name to Astbury and states that it first appeared in the literature in 1945–6.

Page 25, column 1, line 53. The MANIAC was not the Princeton computer but was a similar machine built at the same time by Metropolis and his colleagues at Los Alamos. The official name of the Princeton machine was “The Institute for Advanced Study Computer.”

Page 25, column 3, line 2. “from the tens of GeV that we had in the 1960’s to the hundreds of GeV that we shall have in the 1970’s.”

Page 26, column 3, line 9. “A protein is a long string of units, each unit being one of twenty amino‐acids. A nucleic acid is a string of units, each being one of four nucleotides.”