He also received requests from the sons and grandsons of the revolutionary leaders to provide information about events and the authorship of documents.
Lupton explained that working on a typewriter gives a satisfying sound, a feeling of authentic authorship. No one can spy on you and there are no distractions.
Then Carnegie, who had practically retired from active life, again arrayed himself in his shirt-sleeves, abandoned his career of authorship, and resumed his early trade.