William Sterling Parsons Biography

Historical biography and chronological timeline for William Sterling Parsons, based on 6 World History Database records associated with United States of America.

6 records1943–19456 events3 places

Chronological biography

1943

Los Alamos Ordnance DivisionJune 1943

Warfare / Nuclear · Los Alamos

Navy Captain William Parsons arrives at Los Alamos to lead the Ordnance Division and direct gun-assembly development.

First Gun Assembly Test Shot17 September 1943

Warfare / Nuclear · Los Alamos

The Los Alamos gun-assembly programme fires its first test shot while concentrating on a high-velocity plutonium gun design.

1944

First Fat Man Assembly22 December 1944

Warfare / Nuclear · Los Alamos

The first full Fat Man bomb assembly is completed for handling and airdrop practice, before nuclear material and final explosive lenses are available.

1945

Pacific Atomic Delivery Conference27 June 1945

Warfare / World War, 2nd · Los Alamos

Parsons meets with Groves and Oppenheimer to finalise arrangements for delivering atomic weapons to the Pacific theatre.

Little Boy Components Shipped on Indianapolis14 July 1945

Warfare / World War, 2nd · San Francisco

Little Boy bomb units and the uranium projectile leave San Francisco aboard USS Indianapolis for Tinian.

Little Boy Assembly Completed31 July 1945

Warfare / Nuclear · Tinian

Final assembly of Little Boy is completed on Tinian and the weapon is ready for combat use.

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.