Room 307, Gilman Hall, University of California

University of California at Berkeley campus, Berkeley, California. County/parish: Alameda.

Added to the National Register of Historic Places October 15, 1966. NRIS 66000203.

1 contributing building.

From Wikipedia:

Gilman Hall

Gilman Hall is a building on the campus of the University of California, Berkeley. Room 307 was where Glenn T. Seaborg and his coworkers identified plutonium as a new element on February 23, 1941 and as such, is designated a National Historic Landmark. The building itself is designated a National Historic Chemical Landmark, recognizing the two Nobel Prizes in Chemistry that have resulted from research done in the building.

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National Park Service documentation: https://catalog.archives.gov/id/123857891

LC