Here's another share from G. Ott Romney's 1945 book, "Off the Job Living: A Modern Concept of Recreation and its Place in the Postwar World." Romney shares a fascinating quote by Samuel Haig Jameson regarding "indoorism" due to cultural changes and how this has highlighted the importance of being outdoors more than ever.
*Reference: "Physical Education in the Light of Social Sciences" by Samuel Haig Jameson