X-10 Graphite Reactor Criticality
Supervises startup as the X-10 Graphite Reactor reaches criticality at Clinton Laboratories.
Historical biography archive · Updated 2026-11-03
Walter Zinn Biography and Timeline
Follow Walter Zinn through 2 dated historical records for Canada.
Walter Zinn, historical timeline
A chronological timeline drawn from matching World History Database records.
2Distinct records
1 of 1Page
1943–1944Years on this page
1943
1944
Chicago Reactor Neutron Diffraction
Observes neutron diffraction using reactor neutrons during early Manhattan Project scattering experiments.
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.