Which two Marines achieved the rank of General from Private?

The correct answer highlights two Marines, General G.C. Thomas and General Alfred Gray, who both ascended through the ranks from Private to General, demonstrating exceptional leadership and commitment throughout their careers. Achieving the rank of General from Private is a rare feat that reflects not only individual merit but also the Marine Corps' emphasis on hard work, leadership, and a deep understanding of military operations.

General G.C. Thomas served notably in various key roles, and his rise through the ranks exemplifies decades of service and dedication to the Marine Corps. Similarly, General Alfred Gray made significant contributions during his time, culminating in his elevation to General. Their careers serve as inspiration within the Corps and exhibit the possibility of advancement through dedication and performance.

The other pairs do not fully align with the criteria outlined. While they may have impressive careers, not all of them achieved the rank of General directly from Private, which is the key requirement of the question. The focus on these two distinguished leaders brings to light their journey and the significance of their accomplishments within the Corps' structure.