Which Marine was instrumental in the establishment of the dress blue uniform?

The Marine who played a crucial role in establishing the dress blue uniform is Archibald Henderson. Known as the "Grand Old Man of the Marine Corps," Henderson served as the 5th Commandant from 1820 to 1859 and significantly influenced many aspects of the Marine Corps, including its standards and traditions. Under his leadership, the distinctive blue uniform was officially adopted, solidifying it as an iconic representation of the Marine Corps. Henderson's vision for a professional and distinguished appearance for Marines contributed to the Corps' identity and pride, making the dress blue uniform a symbol of excellence and heritage within the military. This connection to Henderson underscores the importance of leadership and tradition in the development of military uniforms and culture.