Study week at the Pontifical Academy of Sciences, Vatican City, 1978 Black & white photograph of delegates attending the 1978 study week at the Pontifical Academy of Sciences [Pontificia Academia Scientiarum] in the Vatican City. The group is pictured in front of a grand building, with a watercourse and classical statues also in view. Kosterlitz is standing at the front of the group. Photographer: L'Osservatore Romano Citta' del Vaticano. Servizio Fotografico. Arturo Mari. 1978