Planting of Visakoitu and unveiling of a memorial plaque commemorating the III World Forest Congress in the courtyard of the Forest House. From left: Miss Ginsberg, the head of the Congressional interpreters, Osara and Lönnroth professors, and Professor Saari at the center of the General Commission of Congress. Behind, in the middle and front, the other vice presidents of Congress, Petrov of the U.S.S.S.R., and Granger of the USA