#  Historical Essays by Paul Horowitz  

 



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Left to right: J. B. H. Kuper (left), R. Pound (center), and H. Torrey (Photo from “Five Years at the Radiation Laboratory,” M.I.T., 1946).

*The following are essays on the history of Harvard Department of Physics written by Prof. Paul Horowitz. These essays appeared in various issues of the* [*Harvard Physics Newsletter*](/newsletter)*.*

- [P.W. Bidgman, Pioneer of High-Pressure Physics](https://www.physics.harvard.edu/sites/g/files/omnuum6476/files/2025-12/2025-Bridgman.pdf) (2025)
- [Theodore Lyman, Pioneer of Ultraviolet Vacuum Spectroscopy](/file_url/1143) (2024)
- [“As Immovable as a High Mountain”: Wallace Sabine and the Founding of Architectural Acoustics](/file_url/1007) (2023)
- [“Unprecedented Spectral Purity”: The Invention of the Hydrogen Maser](/file_url/963) (2022)
- [Testing Einstein’s Prediction: The Pound–Rebka Experiment](/file_url/964) (2021)
- [Radioastronomy’s First Spectral Line: “A Glimpse of the Handiwork of Creation”](/file_url/965) (2020)
- [Nuclear Magnetic Resonance: Lyman Laboratory, December 1945](/file_url/966) (2019)