Los Alamos: Beginning of an Era 1943-1945

They Built the Bomb

Most were division leaders, some played other key roles. None of them was alone. There were dozens more brilliant young scientists who made significant contributions. There were countless technicians, administrative people, soldiers and WACs without whom the work could not have been done. Not the least were the wives to whom, John Williams once said, should go much of the credit. “They lived in uncertainty and sometimes fear during those trying years. They never knew what their husbands were doing and they never asked. ”

Kenneth Bainbridge

Test Director

Robert Bacher

Weapons Physics

Hans Bethe

Theory

Enrico Fermi

Theory

Richard Feynman

Theory

General Leslie Groves

Director, Manhattan Engineering District

George Kistiakowsky

Explosives

J. Robert Oppenheimer

Director

William "Deke" Parsons

Ordnance

Robert Serber

Theory

Cyril Smith

Metallurgy

John von Neumann

Theory

Victor Weisskopf

Theory

John Williams

Deputy Test Director

Robert Wilson

Physics Research