Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Royden E. Johannesson

CaptainOak Ridge, TN

Manhattan Project VeteranMilitary VeteranProject Worker/Staff
The Chapel on the Hill in Oak Ridge

Royden Johannesson worked for the United States Engineer District Office.

Related Profiles

P. M. Walker

Research & Development/300 Area

Walker worked at the 300 Area at Hanford during the Manhattan Project. 

John W. Calkin

Los Alamos, NM

​John W. Calkin graduated from Columbia University in 1933. He then earned a Ph.D. in mathematics from Harvard.

Adam J. Rondinone

Oak Ridge, TN

Adam Rondinone is the Co-Director for the Center for Integrated Nanotechnologies (CINT) as well as the group leader for MPA-CINT at Los Alamos National Laboratory.

Emmons B. Brown

Oak Ridge, TN

Brown worked in the United States Engineer District Office.