BR did not have the "faintest idea that the words could offend anybody" and regrets that they have done so." BR used a reference to Zoroaster in one of his short stories and has since written to the publishers to omit the reference.

At the foot of the TL(CAR) in parenthesis is a reference to proof sheets "... from the listener of "Man's Peril from the Hydrogen Bomb" being enclosed with a copy of BR's letter to Dr. Dalal. This letter appears on the verso of the one found at record 64827.