Witold Nowacki (Head of the Polish Academy of Sciences), Wlodzimierz Trzebiatowski (Chairman of the Honorary Committee), Arne Magneli (President of IUCr).

From the album

Eleventh Congress and General Assembly of the IUCr

1978: IUCr Congress and General Assembly: Presidium

Presidium | Contributed by W. L. Duax | © IUCr | Conditions of reuse: CC BY 4.0