While von Grosse's claim that Fermi was actually producing protactinium was quickly tested and disproved, Noddack's proposal that the uranium had been shattered into two or more much smaller fragments was simply ignored by most because existing nuclear theory did not include a way for this to be possible.
32.
Noteworthy was a paper co-authored with Helmut H�nl, who received his doctorate under Sommerfeld in 1926; the paper, on the foundations of quantum mechanics, dealt with the role of group theory in quantum dynamics in monatomic systems and comparisons of the nuclear theories of Werner Heisenberg and Eugene Wigner.
33.
During his internment in 1940, he continued to work and published four more papers with Born : " The Mass Centre in Relativity ", " Reciprocity, Part II : Scalar Wave Functions ", " Reciprocity, Part III : Reciprocal Wave Functions " and " Reciprocity, Part IV : Spinor Wave Functions ", and one by himself, " On the Statistical Method in Nuclear Theory ".
