---
title: Groves & Oppenheimer, 1942
author: United States Department of Energy
source: https://www.worldhistory.org/image/22132/groves--oppenheimer-1942/
format: machine-readable-alternate
updated: 2026-09-10
---
# Groves & Oppenheimer, 1942
_Authored by United States Department of Energy_
## Image File
[](https://www.worldhistory.org/uploads/images/22132.png)
## Image Caption
A 1942 photograph of Colonel Leslie R. Groves (later promoted to Lieutenant General), a military engineer who was put in overall charge of the secret Manhattan Project to develop an atomic bomb during WWII. On the right is the physicist Robert Oppenheimer (1904-67), who was chosen to head the international team of scientists on the project.
United States Department of Energy
## Cite This Work
### APA
Energy, U. S. D. o. (2026, September 10). Groves & Oppenheimer, 1942. *World History Encyclopedia*.
### Chicago
Energy, United States Department of. "Groves & Oppenheimer, 1942." *World History Encyclopedia*, September 10, 2026. .
### MLA
Energy, United States Department of. "Groves & Oppenheimer, 1942." *World History Encyclopedia*, 10 Sep 2026, .
## License & Copyright
[](https://en.wikipedia.org/wiki/File:Groves_and_Oppenheimer.jpg)Based on [Wikipedia](http://www.wikipedia.org/ "Wikipedia") content that has been reviewed, edited, and republished. [Original image](https://en.wikipedia.org/wiki/File:Groves_and_Oppenheimer.jpg) by [**United States Department of Energy**](https://en.wikipedia.org/wiki/File:Groves_and_Oppenheimer.jpg). Submitted by [Mark Cartwright](https://www.worldhistory.org/user/markzcartwright/ "User Page: Mark Cartwright"), published on 10 September 2026. The copyright holder has published this content under the following license: [Public Domain](http://en.wikipedia.org/wiki/Public_domain). This item is in the public domain, and can be used, copied, and modified without any restrictions. Please note that content linked from this page may have different licensing terms.