| 1879 Mar 2 |
Born Marengo, Iowa to John Dockray and Alma (Davis) Williams |
| 1897 |
Graduated Marengo High School |
| 1901 |
Grinnell College Ph. B |
| 1903 |
University of Nebraska M.A. |
| 1904-05 |
University of Berlin. Studied under Warburg and Planck. Also Research Physicist, Imperial Bureau of Weights and Measures of Germany, Optical Department |
| 1906 |
Columbia University Ph.D. Research assistant to E.F. Nichols |
| 1906-07 |
Barnard College, Lecturer in Physics |
| 1908-24 |
Oberlin College, Professor of Physics |
| 1918 |
Signal Corps, Science and Research Division, Physicist |
| 1922-23 |
California Institute of Technology, Research Associate (Leave of absence, Oberlin College) |
| 1924-47 |
Amherst College, Professor of Physics |
| 1934 |
Honorary M.A. Amherst College |
| 1942 |
Honorary Doctor of Science, Oberlin College |
| 1947-55 |
Professor Emeritus, Amherst College |
| 1949-50 |
General Motors Research Laboratories, Consultant in Magnetism |
| 1951-52 |
Duke University, Researcher for Navy in Low Temperature Physics |
| 1955 Feb 19 |
Died, Hartford Hospital, Hartford Connecticut |
