In his review of Thomas Mathew’s book ("A learning curve,” Books, Parsiana, March 7-20, 2025) Dr Venkat Iyer unusually echoes the arguments of another (Varun Sood’s review in Mint, October 28, 2024) that the biography of RatanTata was not authorized because it was not approved — a gravely flawed stance. Sood was obviously unaware of the difference between authorized and approved. It is apparent that he has not read the celebrated biographies of Steve Jobs and Elon Musk by Walter Isaacson to understand that independent biographies, recognized for their objectivity, are never approved by the subject. ......