Part 1 

Part 2 

A brief history of Quantum Mechanics 

A. Energy states can be discrete 
B. Quantum Hypothesis 
C. Alpha Decay
D. Atomic Nucleus 
E. Photoelectric Effect 
F. General Theory of Relativity
G. Atomic Model 
H. Wave Equation
I.  Compton Scattering 
J. Wave Particle Duality 
K. Quantum Number 
L. Exclusion Principle 
M. Matrix Formation 
N. Uncertainty Principle 
O. Beta Decay
P. Principles of Quantum Mechanics