George P. Developments in portable timepieces. Luckey

James T. Shotwell, 1874-1965. Time and historical perspective.

Adolph Knopf, 1882- Geologic records of time.

Henry Norris Russell, 1877-1957. Time scale of the universe.

Arthur Holly Compton, 1892-1962. Time and the growth of physics.

John Dewey, 1859-1952. time and individuality.

W. F. G. (William Francis Gray) Swann, 1884-1962. What is time?

Daniel Webster Hering, 1850-1938. Time concept and time sense among cultured and uncultured peoples.

James Henry Breasted, 1865-1935. Beginnings of time-measurement and the origins of our calendar.

Harlow Shapley, 1885-1972. On the lifetime of a galaxy.

John C. (John Campbell) Merriam, 1869-1945. Time and change in history.

Robert Andrews Millikan, 1868-1953. Time.

James Arthur Foundation.