Hi, today I will talk about the expert that I admire, he is an Australian social theorist, sociologist and psychologist. He lectured at the University of Queensland, the University of Pennsylvania, and the Harvard Business School, where he was professor of industrial research. He was born on December 26th 1880 in Adelaida and he died on September 7th 1944.
He did the "Hawthorne studies". This studies showed the importance of groups in affecting the behavior of individuals at work. One of this experiments was, for example, changing the light conditions in the working areas, or giving more breaks to the workers in the working schedule. 
I like him because he marked the difference in the administration studies, he gave the importance to the Motivation, a very interesting factor in the life of the organization around the world, the motivation is the motor for the people to work. Without the motivation, the people don't like going to work.
His contribution was the change of paradigm of how the workers behave, giving them the tools for a better quality in the relation in their working conditions, with their coworkers and with their boss.