Otto Berg (scientist)

[3] After the Nazi seizure of power he lost his job at Siemens in 1933 because of his Jewish descent, subsequently in 1938 he fled with his family to England, where he died in 1939.

[4] In 1925 in Germany, Walter Noddack, Ida Tacke, and Otto Berg reported that they detected the element in platinum ore and in the mineral columbite.

[8] The group bombarded columbite with a beam of electrons and deduced element 43 was present by examining X-ray diffraction spectrograms.

The wavelength of the X-rays produced is related to the atomic number by a formula derived by Henry Moseley in 1913.

The team claimed to detect a faint X-ray signal at a wavelength produced by element 43.