Who collaborated with Nellie Quander to ensure the survival of the sorority in 1912?

The collaboration between Nellie Quander and Ethel Jones Mowbray in 1912 was crucial for the survival and continuity of the Alpha Kappa Alpha Sorority during a challenging time. Ethel Jones Mowbray played a significant role in helping to solidify the organization's structure and ensure that its founding principles remained intact. As a member with a strong commitment to the sorority, her work in leadership and organizational strategy was instrumental in navigating the sorority through difficulties it faced, thereby reinforcing its mission and goals. This partnership with Quander demonstrated the importance of collaboration and leadership in preserving the legacy of Alpha Kappa Alpha.

The other individuals mentioned in the options also contributed to the sorority's history, but Ethel's specific actions in tandem with Quander were pivotal during that crucial period.