Permanent historical factsheet

Enigma Machine

United States · Warfare / World War, 2nd. Chronological records rendered directly from the World History Database.

7Records
1941–1944Date range
6Named people
4Places

Chronological records

1941

Abraham SinkovJanuary 1941

Bletchley Park · Warfare / World War, 2nd

Visits Bletchley Park and learns about Britain's Bombe-based exploitation of Enigma.

William Friedman1941

United States of America · Warfare / World War, 2nd

Meets Denniston during follow-up Anglo-American cryptanalytic discussions that deepen Enigma cooperation.

1942

Joseph DeschMarch 1942

Dayton · Warfare / World War, 2nd

Is selected by NCR to lead engineering of a high-speed U.S. Navy Bombe for four-rotor Enigma.

1943

Joseph Desch1943

Dayton · Warfare / World War, 2nd

Completes a working prototype U.S. Navy four-rotor Bombe capable of attacking German Naval Enigma at high speed.

1944

Albert David4 June 1944

Atlantic Ocean · Warfare / World War, 2nd

Leads the first U.S. boarding party onto U-505 and secures sensitive cipher material, including Enigma equipment.

Daniel Gallery4 June 1944

Atlantic Ocean · Warfare / World War, 2nd

Commands the hunter-killer group that captures U-505 with Enigma machines and current codebooks intact.

Earl Trosino4 June 1944

Atlantic Ocean · Warfare / World War, 2nd

Leads the salvage effort that keeps U-505 afloat, preserving captured Enigma machines and codebooks for intelligence exploitation.

Names involved

Abraham SinkovAlbert DavidDaniel GalleryEarl TrosinoJoseph DeschWilliam Friedman

Provenance

This factsheet is generated from stored World History Database records matching the country, broad category, detailed category and exact Event value shown above. Duplicate display records are collapsed; database wording is otherwise preserved. Source provenance varies by record, so formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.