OBITUARIES
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LOCAL OBITUARIES

PASSINGS: Louis Rosen, Angus 'Mac' McDougall

Louis Rosen

Los Alamos scientist

Louis Rosen, 91, a Los Alamos National Laboratory scientist who worked on the Manhattan Project and later created an influential neutron center at the facility, died Thursday at a rehabilitation center in Los Alamos, N.M., five days after an apparent fall at his home.

The Lujan Neutron Scattering Center at the Los Alamos Neutron Science Center credits Rosen with leading the way in developing the world's most powerful linear accelerator, culminating in the construction of the Los Alamos Meson Physics Facility. Rosen directed the center until 1986.

Rosen 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.

Rosen was born in New York City on June 10, 1918. He received his bachelor's and master's degrees from the University of Alabama and his doctorate from Pennsylvania State University. He taught at both universities.

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

Angus "Mac" McDougall, a pioneering photographer and professor who headed the Missouri School of Journalism's photo sequence and its pictures of the year competition, died Thursday in Columbia, Mo., the university announced. He was 92.

A former Milwaukee Journal photographer, McDougall co-wrote "Visual Impact in Print," considered the definitive book on picture editing, and "Picture Editing and Layout." As a professor, he stressed that photographers should become adept at all elements of journalism to be able to change thinking within newsrooms.

-- Times staff and wire reports

Copyright © 2015, Los Angeles Times
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