Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Esther (Green) Floth worked as a secretary for General Leslie Groves during the Manhattan Project in Washington, DC.

Her job afforded her the opportunity to meet leading Manhattan Project officials and scientists, including J. Robert Oppenheimer, Niels Bohr, Ernest Lawrence, and others. After the war, she held a variety of jobs including for the Atomic Energy Commission and Lawrence Livermore National Laboratory.

Floth was born in Watkins Glen, NY. She attended Strayer Business College in Washington, DC, and is a lifetime member of the Alpha Iota’s International Honorary Business Sorority.

Esther Green at her desk

Esther Green (R) with friends at the 400 Restaurant

Esther's Manhattan Project certificate from the War Department

From Esther's desk

General Leslie R. Groves

General Leslie R. Groves

General Leslie R. Groves

Esther and friends at El Patio Restaurant

A list of the people in the El Patio Restaurant photo

Letter from Grace Groves to Esther after General Groves's death

Letter from Grace Groves to Esther after General Groves's death

Christmas note from General Groves to Esther

Invitation to party hosted by General Groves

Cover of "The Beginning or The End" film program

Manhattan Project emblem patch

Letter from Colonel Kenneth Nichols to Manhattan Project personnel

Related Profiles

George W. Campbell

Chicago, IL

George W. Campbell was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

G. D. Tappscott

B Reactor/100 Area

Tappscott worked at the 100-F Area at Hanford during the Manhattan Project. 

E. R. Lindsey

Hanford, WA

Orin R. Barrett

Tinian Island

Orin R. Barrett served in the 393rd Bombardment Squadron.