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Stanley Hertzbach, 88, professor emeritus of physics, died Jan. 3 in Silver Spring, Maryland. 

A particle physicist who earned his doctorate at Johns Hopkins in 1965, Hertzbach joined the Department of Physics faculty at UMass Amherst in 1965. Over the course of his career, he took part in high-energy experimental work at Brookhaven National Laboratory, the CERN hadron collider, the Cornell electron synchrotron, and beginning in 1979, at the Stanford Linear Accelerator Center (SLAC) National Accelerator Laboratory. With his colleague Richard Koffler, Hertzbach joined the SLD collaboration at SLAC in 1986 studying Z particles, and the BaBar (B Meson) group in 1994. A major contributor to the SLD “beamline group,” Hertzbach took part in the BaBar calorimeter beam test and in testing of its calorimeter modules. He was an active member of the SLD advisory group and chaired the SLAC Users Organization (SLUO) in the 1990s. Hertzbach’s contributions to UMass prior to his retirement in 2009 included service on several committees relating to student achievement, including as undergraduate advising dean of what was, at the time, the College of Natural Sciences and Mathematics.

The Stanley S. Hertzbach Papers, from 1977-2002, are housed at the Robert S. Cox Special Collections & University Archives Research Center.

A complete obituary for Hertzbach, as it appeared Jan. 8 in the Daily Hampshire Gazette, can be found below.
 

Stanley Hertzbach

Silver Spring, MD - Stanley Shipley Hertzbach (age 88) 

On Saturday January 3, 2026, Stan Hertzbach of Silver Spring, MD formerly of Amherst, MA. Born June 15, 1937, in Baltimore, MD to the late Estelle and George Hertzbach. Beloved husband of Bobbye Turshinsky Hertzbach; devoted father of Rebeca (Edward) Blum, Marc and Gregory Hertzbach; cherished Pop-Pop of Moriah, Aryeh, Mitchell and Steven.

Stan was an experimental particle physicist and a member of the UMass faculty from 1965 until his retirement in 2009. With UMass colleagues, Stan joined the SLD experiment at SLAC (precision studies of the Z boson). He then contributed to the electromagnetic calorimeter of the BaBar experiment, also at SLAC. In the early 2000s, Stan worked on beam concepts for a Next Linear Collider using SLC-style technology. In addition to teaching and research, Stan served as Associate Dean in College of Arts and Sciences for a number of years, a role which he felt had the most impact on his students.

Services were held at Judean Memorial Gardens, 16225 Batchellors Forest Road, Olney, Maryland. In lieu of flowers, contributions may be made to The Johns Hopkins University Whiting School of Engineering, Student Financial Aid Fund. Services entrusted to Sagel Bloomfield Danzansky Goldberg Funeral Care.