Delbert F. Johnson

Mechanical EngineerLos Alamos, NM

Trinity Site

Manhattan Project VeteranMilitary VeteranSpecial Engineer DetachmentTrinity Test Eyewitness

Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C. Bush and witnessed the Trinity site explosion on July 16, 1945. After the bomb test, Johnson was one of the first to enter the crater to conduct scientific measurements.

A Commendation for Delbert Johnson from President Harry Truman

Related Profiles

J. R. Coe

Oak Ridge, TN

Coe worked in the United States Engineer District Office.

Ray J. Murphy

K-25 Plant

Attended Missouri University of Science and Technology.

Norvald Payne

Los Alamos, NM

C. Westendorf

B Reactor/100 Area

Westendorf worked at the 100-D Area at Hanford during the Manhattan Project.