Urie Brofenbrenner

Born- April 29 1917 Died-September 2005

Facts about him
He was six when his family moved to the united states he was originally from russia.

Was assistant professor in pyschology at the University of Michigan.

24 hours after receiving his doctorate he was included to the army.

Theory
He was worlds leading scholars to focus on there interplay between research and policy on child development.

Ecological systems theory He then made the 5th system which was calles the chronosystem (evolution of all other systems over time)
 * the microsystem (such as family or classroom).
 * the mesosystem ( two microsystems in interaction).
 * The exosystem (external environtments inderectly influcence development)
 * the macrosystem ( larger socio-culture