Delta Achievement Practice Test

Ethel Cuff Black is a notable figure associated with the organization, primarily because she played a significant role in its establishment and initiatives. As one of the early founders, her contributions were pivotal in shaping the organization's mission and objectives. She is often recognized for her leadership in advocating for community development and educational opportunities, which aligns with the core values of the organization.

In contrast, the other names listed do not have recognized connections to the founding or development of the organization in question, which highlights why the acknowledgment of Ethel Cuff Black's role is essential in understanding the history and impact of the organization.