Pontecorvo's Mother-In-Law Now Hopes For News Of Daughter - Mrs. Nordblom with a portrait of her daughter, Mrs. Marianne Pontecorvo. For five years Mrs. Gerda Nordblom, 70, mother of Marianne Pontecorvo, the Swedish born wife of atom scientist Bruno Pontecorvo, has had no news of her daughter. Now that news has been released of the families whereabouts and the fact that the scientist is working for the Russians, she hopes to hear of the well being of her daughter and her family. March 3, 1955. (Photo by Paul Popper Ltd.).