13th May 1911 Niels Bohr receives his Dr. Phil. degree on a thesis dealing with the electron theory of metals.

Report in Dagbladet Larger image

Thesis, front page Larger image

Guests and co-workers associated with Niels Bohr and the University Institute for Theoretical Physics (renamed the Niels Bohr Institute in 1965), who have 100-year anniversaries in 2011.

John A. Wheeler, 1911-2008 NBI 1934-35 Self-portrait, 1934