Michael Hannan [SEP] date of birth
Michael Hannan
Michael Hannan (20 July 1821 – 17 April 1882) was a Roman Catholic priest and archbishop.
Born in County Limerick, Republic of Ireland, Hannan came to Halifax in 1840 to teach and finish his studies for the priesthood. Hannan was ordained by Archbishop William Walsh in 1845 and became a parish priest in Bermuda which was part of the Roman Catholic Archdiocese of Halifax at the time. He returned to Nova Scotia in 1847 and served in increasingly important positions within the archdiocese.
He served as archbishop
organizational theory about population ecology with the 1977 article in the American Journal of Sociology, which was the seminal work in the field of organizational ecology. This article proposed: 
The scope of their organizational ecology theory ranged from birth of new organizations (organizational founding), organizational growth and organizational change, to the death of organizations (firm mortality). Organizations compete in their environment, where processes like natural selection rule. 
Selected publications.
- Hannan, Michael T., and Glenn R. Carroll. "Dynamics of organizational