Otto Stern is the second most nominated person for a Nobel Prize behind a German theoretical physicist who pioneered developments in what?
Arnold Sommerfeld Arnold Johannes Wilhelm Sommerfeld, {'1': ", '2': ", '3': 'ForMemRS', '4': "} (] ; 5 December 1868 – 26 April 1951) was a German theoretical physicist who pioneered developments in atomic and quantum physics, and also educated and mentored a large number of students for the new era of theoretical physics. He served as PhD supervisor for many Nobel Prize winners in physics and chemistry (only J. J. Thomson's record of mentorship is comparable to his).
Ernest J. Sternglass Ernest Joachim Sternglass (September 24, 1923 – February 12, 2015) was a professor emeritus at the University of Pittsburgh and director of the Radiation and Public Health Project. He is an American physicist and author, best known for his controversial research on the health risks of low-level radiation from atmospheric testing of nuclear weapons and from nuclear power plants.