Enrico Fermi & the Chicago team

[SCIENCE - NUCLEAR PHYSICS]. ENRICO FERMI AND THE UNIVERSITY OF CHICAGO TEAM BEHIND THE FIRST CONTROLLED NUCLEAR CHAIN REACTION

FERMI, Enrico. Black-and-white press photograph, approximately 8.1 x 10.0 inches (206 x 254 mm). The close portrait shows Fermi in a dark suit and tie against a pale background. Light age toning and scattered surface marks are visible.

The verso bears a typed caption identifying "Enrico Fermi, 1901-1954" as an Italian physicist and Nobel Prize winner, and describing his leadership of the team that built the world's first nuclear reactor in the University of Chicago's improvised laboratory. It says the reactor sustained a nuclear chain reaction on December 2, 1942, enabling controlled release of atomic power. A red pencil mark points into the caption; additional handwritten notes and a date notation are present, though some are faint or partly illegible.

Fermi led the Metallurgical Laboratory group that assembled Chicago Pile-1 beneath the west stands of Stagg Field. On December 2, 1942, the pile achieved the first controlled, self-sustaining nuclear chain reaction, a pivotal step in the development of nuclear energy and the Manhattan Project. The caption connects this portrait to that achievement through its account of Fermi's role and the reactor's date and setting.

The print's verso preserves a detailed explanatory caption, editorial marking, and filing annotations alongside the portrait. Together they document how Fermi's image and the significance of the Chicago experiment were presented to readers, while retaining the text attached to this particular physical photograph.

From the Eric C. Caren Archive.