Peter Drucker

big-business guru, early work was based on years of research with General Motors, "created" Management by Objectives"

There is only one valid definition of business purpose: to create a customer. (cf Customer-Driven)

later wrote about Entrepreneurship, Non-Profit management, etc.

I loved his Adventures Of A Bystander ISBN:1560007389 - he knew some amazing people.

http://www.pfdf.org/

http://www.peter-drucker.com/

http://drucker.cgu.edu/

died in 2005.