Uranium Gun Project Leadership
Birch takes charge of the uranium gun-weapon programme that will produce the Little Boy design.
Historical biography archive · Updated 2026-11-03
A. Francis Birch Biography and Timeline
Follow A. Francis Birch through 2 dated historical records for United States of America.
A. Francis Birch, historical timeline
A chronological timeline drawn from matching World History Database records.
2Distinct records
1 of 1Page
1944–1945Years on this page
1944
1945
Little Boy Projectile Casting
Casting of the uranium-235 projectile component for Little Boy is completed.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.