[1][2] In 1928, Eichelberger became director of the Midwest office of the League of Nations Association (LNA).
[1][2] In 1945, Eichelberger served as consultant to the United States delegation to the San Francisco Conference and was a member of the committee that created the first draft of the UN Charter.
Eichelberger was a prolific writer and used such occasions to advocated for the United Nations as a means of achieving world peace.
Some future generation may live in a world in which national sovereignty counts for much less than it does today.
[4]In 1955, Eichelberger was advocating for the United Nations and the peacemaking role of its General Assembly.
[5] Eichelberger was also associated with the World Federation of United Nations Associations, the Committee to Defend America by Aiding the Allies, Citizens for Victory, the Non-Partisan Committee for Peace through Revision of the Neutrality Law, Free World Association, the Committee for Concerted Peace Efforts, and Americans United for World Organization.