Other Notable Deaths


August 26, 2009


Scientist worked on Manhattan Project

Louis Rosen, a Los Alamos National Laboratory scientist who worked on the Manhattan Project and later created an influential neutron center at the facility, died Thursday in New Mexico.

The Lujan Neutron Scattering Center at LANSCE credits Dr. Rosen with leading the way in developing the world's most powerful linear accelerator, culminating in construction of the Los Alamos Meson Physics Facility, known today as the Los Alamos Neutron Science Center, or LANSCE.

Dr. Rosen directed the center until 1986.

He went to work at Los Alamos in 1944 as a member of the Manhattan Engineering District's Project Y, which led to the world's first atomic bomb. He worked during the war in neutron cross-section measurements and nuclear test diagnostics.

In 2002, Dr. Rosen received the prestigious Los Alamos National Laboratory Medal, the lab's highest award.

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