Aldo van Eyck, who was born in the Netherlands and educated in
England, started working for the Department of City Development
at Amsterdam Public Works in 1947 when he was 28 years old.
World War II was over and Amsterdam was largely dysfunctional
with little available housing for families with children, even
less for the coming postwar baby boom children. For Amsterdam's
children, the only existing play spaces were private and only
for the wealthy. The vestibular system is the parts of the brain
and inner ear that process the sensory information involved with
controlling eye movements and balance.1 The receptors located
within the inner ear respond to gravity and detect motion and
change of head position. They interpret speed and direction of
movement, relationship to gravity, and impact balance, posture,
and bilateral coordination.2 As a social entrepreneur, Jill
Vialet co-founded the Museum of Children's Art (MOCHA) in
Oakland, California and, more recently, founded Playworks, a
recess and after school ph