"We don't stop playing because we turn old, but turn old because
we stop playing"
-- attributed to Satchel Paige
Enthusiasm – a god within
Theodore Roosevelt -The twenty-sixth President of the United States.
Colonel Rondon (right) and Colonel Roosevelt along with Roosevelt’s son Kermit and about 20 others began the journey to explore the River of Doubt.
At the age of fifty-five, Roosevelt helped map the unexplored River of Doubt.
An expert on the Middle Ages
Homo Ludens: A Study of the Play-Element in Culture (1949)
"Homo Ludens" means "Man the Player."
Huizinga sees play as having certain characteristics:
(Huizinga) Play reveals itself in two kinds of activity - contests for something and representations of something.
Ancient Greece was permeated with play forms.
Huizinga traces historically the origins of many social institutions as ritualized forms of play activity.
University of Iowa’s Virtual Soldier Research: http://www.digital-humans.org/
Michael Ellis (1973)
Behavioristic explanation (B.F. Skinner)
Psychoanalytical explanation (Sigmund Freud) Arousal-seeking theory