Linked from
The 106 pages that link to Manhattan Project, each with the reason it gives.
Atomic bombings of Hiroshima and NagasakiRelated: It produced the bombs used against the two cities.
Nuclear weaponRelated: It created the first deployable nuclear weapons.
ActinideRelated: Wartime work accelerated plutonium production and research into heavy actinides.
CyclotronRelated: Cyclotrons at Berkeley contributed to wartime isotope separation research.
Hans BetheRelated: After fleeing Nazi Germany, Bethe led the theoretical division at Los Alamos.
UraniumRelated: Its uranium enrichment effort produced the material for the Hiroshima bomb.
Luis AlvarezRelated: Alvarez contributed experimental and engineering work to the project.
Joseph WeberRelated: Weber worked on the project before returning to an academic physics career.