A note for Sunshine Week, March 15-21, 2015. Louis Brandeis is credited with writing that “Publicity is justly commended as a remedy for social and industrial diseases. Sunlight is said to be the best of disinfectants; electric light the most efficient policeman.” But why did Brandeis say that sunlight is said to be the best of disinfectants? Because he was referring to a statement by James Bryce in his 1888 book, The American Commonwealth.
https://alasdairroberts.ca/2015/03/01/where-brandeis-got-sunlight-is-the-best-disinfectant/