At the Cornerstone Ceremony are, left to right, John P. G. Bates (President of the Sayville Library Board of Trustees), Bertha C. Huntoon (Library Trustee reading a brief history of Sayville Library), John C. Poole (Library Trustee), Gilbert Bishop (Library Trustee), Arthur Charpentier (President of Sayville Board of Education), Carl B. Stoye (Architect).  Marion L. Hoag (Library Trustee) is in a coat at the far right of the picture.
Photograph dated May 7, 1966, from the collection of Sayville Library.