As a former Defence Secretary of Pakistan and top-tier technologist, Masood is a noted leader of national security and symbol of statehood. He was also an avid historian, thinker, writer, educator, industrialist, and entrepreneur - and is particularly noted for computerisation of the Pakistan Ordnance Factory and PIA via his founding of EWP Computer Service, and his further founding of the Chand Bagh school, and  EMMAY Associates. His memoirs are to be found in First Check What's In The Box: A Techologist's Making of Pakistan, hardback autobiography of Engr Masood Hasan CHEM-1, ISBN 9789697120413, 2020, 279pp,  £18, £10 p&p , available via naveedhenderson@yahoo.com, daughter and publisher, Naveed Hasan Henderson, Lahore.