In Memoriam: Iuliu Stumer

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Posted: May 22, 2009

Physicist Iuliu Stumer, a BNL guest scientist who had worked at the Lab for 34 years, died on February 3, 2008. He was 65.
After obtaining his M.Sc. and Ph.D. at Tel Aviv University, Stumer joined the Omega group in the Physics Department as a research associate on September 18, 1973. His first major experiment brought him to Fermi National Accelerator Laboratory to help measure high transverse momentum neutrals. Soon after, he was stationed at CERN, Switzerland, where he participated in experiments R806 and R807 at the Intersecting Storage Ring (ISR) collider. There he was involved in pioneering work on liquid argon calorimeters, becoming one of the world experts in the analysis of liquid argon data and in understanding the subtle behavior of these calorimeters.
 Back at BNL, he joined a team working on magnet design, including the design of the original two-in-one magnets now being used at the Large Hadron Collider (LHC) at CERN. His involvement at CERN continued in NA34/Helios experiment at the Super Proton Synchrotron. When the Superconducting Super Collider emerged as a major U.S. project, he worked on the optimization of the GEM liquid argon calorimeter. In 1993, BNL joined the LHC’s ATLAS collaboration, and Stumer made a significant contribution to the optimization of the ATLAS liquid argon electromagnetic calorimeter. Most recently, he has worked on simulating the effects of the iron support structures in the ATLAS experiment on the magnetic field. He retired on October 15, 2007.
Said Physics Chair Tom Ludlam and David Lissauer of the Omega group, “Iuliu was a unique individual; his door was always open to help others. Many of us came to him for his advice or to discuss the latest analysis ideas or problems. His love of life and travel was contagious — he will be dearly missed by all of us, family, friends and colleagues. Our thoughts are with Odette and the family.”
BNL and CERN colleagues have collaborated in contributing to a plaque and a tree to be planted in Tel Aviv, Israel, in memory of Iuliu Stumer. Stumer, who was a resident of Wading River and of Tel Aviv, is survived by his wife Odette and her family.


Last Modified: May 22, 2009