Have Gifted M mCAMBRIDGE, MASS.. (U.R) — A Harvard professor said today a “very brilliant a n d gifted” nuclear physicist who fled Nazi rule probably helped in the research that resulted in Argentina’s reported atomic explosion. Dr. Philipp Frank identified the physicist as Guido Beck, a Czechoslovakian. Frank said that in 103G he and Beck were at the Fniversity of Prague w here thev collaborated on a book on mathematics and physics.When Hitler took over Czechoslovakia. Frank said, Beck went to the United States where he taught at the University of Kansas for a year. He went to the University of Cordoba in Argentina in about 1 DBS or 1010. Frank said.He said that Beck had written him he was engaged in general research in the atomic field.