The Cleveland Clinic Logo

The hallmark used in the official Cleveland Clinic logo, developed in 1984, is the first official emblem for the Cleveland Clinic Foundation. 

The four squares represent each of the major areas of the Foundation: Clinic, Hospital, Research and Education. They are also representative of our four founders: Frank E. Bunts, MD, George W. Crile, MD, William E. Lower, MD, and John Phillips, MD.

The large single square signifies unity and the efforts of all those involved to care for the sick, investigate their problems and further educate those who serve.

(Retrieved from http://my.clevelandclinic.org/about-cleveland-clinic/overview/who-we-are/mission-vision-values.aspx on 19 March 2014)