. English: Portrait of Kristian Birkeland, Norwegian scientist and industrialist Français: Portrait de Kristian Birkeland, physicien et industriel norvégien 1900 12 Asta Norregaard Kristian Birkeland 1900
Size: 1794px × 2786px
Photo credit: © The Picture Art Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords:
