This community service organization, founded in Chicago in 1905, was originally for business men, but today includes people from all walks of life. It is named because meetings were held at the members' different homes. Which organization?

The name of this international service organization is a direct reference to its earliest meetings. When founder Paul Harris and his associates first gathered in Chicago in 1905, they decided to alternate, or rotate, the location of their weekly meetings among each member's place of business. This simple practice of rotation gave the club its name and reflected the members' shared commitment and fellowship.

From these humble beginnings as a professional club for businessmen, the organization grew into a global humanitarian powerhouse. Its famous motto, "Service Above Self," guides millions of members in local clubs around the world. While still a valuable networking group for professionals, its primary focus is on tackling major global and community issues. Its most significant and successful public health initiative has been the PolioPlus program, a decades-long effort that has brought the world to the brink of completely eradicating polio.