Courtesy of The Electrochemical Society
![Silicon and the Microelectronics Revolution](https://www.chiphistory.org/chc_upload/content_inline_files/images/ex_silicon_and_the_microelectronics_revolution_intro.jpg)
Please note the following clarification: on page two,
right column, paragraph two, first portion of the second sentence.
It should have said: Einstein developed his "A and B" coefficients in 1916 - 1917,
which were then utilized to explain laser action in 1959,