Alan J. Greenberger

OBITUARY

Alan Joel Greenberger, 79, passed away on Wednesday, July 1, 2026 at Devon House in Allentown, PA. Born in New York City, he was the son of the late Harold and Rosaly (Zigman) Greenberger and the beloved husband of Martha Schrempel.

Alan attended Francis Lewis High School in Queens, the University of Rochester, and received his PhD in physics from Brandeis University. He worked at the Princeton Plasma Physics Laboratory, where he attained the rank of senior technical staff of the university. Alan later was an engineer at Bell Laboratories, Lucent Technologies, and Agere Systems, where he became a Distinguished Member Technical Staff. He held multiple patents and contributed to a number of technical articles.

Alan enjoyed outdoors activities, especially hiking and birding. He and Martha had many wonderful travels together, including all over the US and Canada (where they saw polar bears in northern Manitoba!) plus several European trips and one exotic one to India. He was an enthusiastic amateur pianist, and enjoyed playing chamber music with string players. He also served on the board of Chamber Music Lehigh Valley. Alan will be remembered as a gentle soul with a sweet smile and an original sense of humor.

Services: Noon on Tuesday, July 7, 2026, at Bachman, Kulik & Reinsmith Funeral Home, 17th & Hamilton Streets, Allentown. A visitation will be held from 11 to Noon Tuesday in the funeral home.

Contributions: To the charity of your choice.