Evolution of the Hydrogen Atom

The hydrogen atom remained the same and will remain the same, not like the human race. As for the way we look it, there have been some evolutions.

The hydrogen atom played its unique role as a physical model for bound states in quantum mechanics. Niels Bohr thought both the proton and electrons were point particles, and the proton was sitting at the center of the absolute frame.

Who is this young man?
copyright@2013 by Y. S. Kim, unless otherwise specified.