Simon Fraser University
Chem1 Virtual Textbook: The Bohr Atom
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses Niels Bohr and his work with the atom. Topics covered in the discussion include the atom before Bohr, Bohr's...
Nobel Media AB
The Nobel Prize: Nobel Prize in Physics 1922 Presentation Speech
This Nobel Foundation site provides the "Presentation Speech by Professor S.A. Arrhenius, Chairman of the Nobel Committee for Physics of the Royal Swedish Academy of Sciences, on December 10, 1922."
Nobel Media AB
The Nobel Prize: Niels Bohr Nobel Lecture: The Structure of the Atom
At this site from the Nobel e-Museum you can download and read Niels Bohr's Nobel Lecture, "The structure of the atom" (available in pdf format).
University of Colorado
University of Colorado: Physics 2000: Quantum Atom: Angular Momentum of an Electron
A very technical explanation of the angular momentum of an electron.
Simon Fraser University
Chem1 Virtual Textbook: Bohr's Theory
Acting as part of an overview on quantum theory, this section of the site answers the question, "How did Bohr's theory save the planetary model, for a while?" A section below also discusses the primary problems with Bohr's theory.