Short answers, pulled from the story.
The International Committee on Intellectual Cooperation opened its first session on the 1st of August 1922 in Geneva. Henri Bergson presided over a group that began with just twelve members.
Albert Einstein resigned from the committee in 1923 after protesting its lack of effectiveness. He publicly stated his dissatisfaction with how the organization functioned before returning to prevent German chauvinists from exploiting his departure.
France offered assistance to create an executive branch in Paris during 1926. The International Institute of Intellectual Cooperation opened its doors that year with almost all financial support provided by the French government.
World War II forced the closure of the institute starting in 1940 and it shut down permanently following years of disruption. Final dissolution occurred in 1946 after activities ceased completely until 1944 when the conflict began to wind down.
UNESCO inherited both the archives and parts of the mission upon closing. UNESCO added the committee's archives to its Memory of the World register in 2017 to recognize the historical value of thousands of exchanged documents.