World Constitution Coordinating Committee

[5] In year 1958, Thane Read, an independent U.S. economist, began cultivating a joint appeal by renowned individuals from around the world, which culminated in the issuance of the "Call to all nations".

[8] In 1962, Thane Read was joinned by the individual like Janet Frenzel, Lloyd D. Oxley, Evelyn Martin and Morikatsu Inagaki.

[9] The committee's central purpose was to promote the Call and garner support for the proposed world constitutional convention.

Additionally, they reached out to religious institutions, educational societies, political parties, labor unions, peace groups, and other organizations capable of taking action, seeking their support and collaboration in promoting the convention.

Notable signatories include Albert Szent-Györgyi, Frederick Sanger, Alfred Kastler, C. F. Powell, Max Born, Bertrand Russell, John Boyd Orr, Joseph Rotblat and Linus Pauling.

[14][15] Other advocates include Edward Condon, Edris Rice-Wray Carson, Harlow Shapley, Jean Orcel, Priyadaranjan Ray, René Dumont, Wilder Penfield, Brock Chisholm, Hugh B. Hester, David Alfaro Siqueiros, Lloyd Morain, Stuart Hall, Tamaki Uemura and many more.