Ansel A. Knowlton

MAY 01, 1957

Physics Today

Ansel A. Knowlton, emeritus professor of physics at Reed College and a former president (1942) of the American Association of Physics Teachers, died on January 9th in Hillsboro, Ore., at the age of eighty‐one.

This Content Appeared In

Volume 10, Number 5

Related content

Obituaries

Article

Michael R. Moldover

(19 July 1940 – 8 August 2025) The NIST physicist revolutionized temperature measurements that led to a new definition of the kelvin.

September 03, 2025 03:20 PM

Obituaries

Article

Wolfgang Moritz

(24 September 1943 – 29 October 2024) The German physicist was a pioneer in quantitative surface structure determination, using mainly low-energy electron diffraction and surface x-ray diffraction.

August 25, 2025 07:00 PM

Obituaries

Article

Doug Cline

(28 August 1934 – 20 June 2025) The physicist made major contributions to our understanding of nuclear structure.

August 25, 2025 06:59 PM

Obituaries

Article

Robert Guyer

(30 July 1936 – 3 May 2025) The career of the longtime University of Massachusetts Amherst professor bridged academia and applied science.

August 25, 2025 06:58 PM

Obituaries

Article

Thomas Maurice Rice

(26 January 1939 – 18 July 2024) The scientist made many influential contributions to condensed-matter physics.

August 25, 2025 06:57 PM

Obituaries

Article

Anant K. Ramdas

(19 May 1930 – 22 November 2024) The condensed-matter physicist pioneered the study of impurity states in semiconductors and of the optical properties of solids under various applied external perturbations.

August 25, 2025 06:00 PM

Get PT in your inbox

Physics Today - The Week in Physics

The Week in Physics" is likely a reference to the regular updates or summaries of new physics research, such as those found in publications like Physics Today from AIP Publishing or on news aggregators like Phys.org.

Physics Today - Table of Contents

Physics Today - Whitepapers & Webinars