Historical biography archive · Updated 2026-11-03

Gerry Patrick Hemming Biography and Timeline

Follow Gerry Patrick Hemming through 11 dated historical records for United States of America.

Gerry Patrick Hemming, historical timeline

A chronological timeline drawn from matching World History Database records.

11Distinct records
1 of 1Page
1959–1978Years on this page

1959

Central Intelligence Agency (CIA)

Atsugi Naval Air Station · Politics / Assassination of Kennedy, JF

CIA-related assassination records become part of later investigations.

1961

Central Intelligence Agency (CIA)

New Orleans · Politics / Assassination of Kennedy, JF

The Interpen group of experienced soldiers are involved in training members of the anti-Castro groups funded by the CIA in Florida in the early 1960s

Interpen

Politics / Assassination of Kennedy, JF

The first Interpen training camp is established by Gerald Patrick Hemming with Dick Watley and Ed Colby running the camp

Interpen

New Orleans · Politics / Assassination of Kennedy, JF

Hemming was a leader of Interpen, or Intercontinental Penetration Force, a group of anti-Castro guerrillas who trained at No Name Key in the early 1960. Hemming joined an American effort to overthrow the Batista regime through the efforts of Fidel Castro.

Interpen

New Orleans · Politics / Assassination of Kennedy, JF

The Interpen group of experienced soldiers are involved in training members of the anti-Castro groups funded by the CIA in Florida in the early 1960s.

Interpen

New Orleans · Politics / Assassination of Kennedy, JF

When Castro proved to be a Communist, and subjected some Americans to firing squads, most Americans "switched sides" and this included Gerry Patrick Hemming, who, in 1961, established Interpen as a means to attack and weaken the Castro regime

1978

Central Intelligence Agency (CIA)

Politics / Assassination of Kennedy, JF

In the article Marchetti argued that the House Select Committee on Assassinations (HSCA) had obtained a 1966 CIA memo that revealed Hemming, E. Howard Hunt, and Frank Sturgis had been involved in the plot to kill Kennedy

Central Intelligence Agency (CIA)

Politics / Assassination of Kennedy, JF

Victor Marchetti publishes an article about the assassination of John F. Kennedy in the Liberty Lobby newspaper, The Spotlight.

House Select Committee on Assassinations (HSCA)

Politics / Assassination of Kennedy, JF

In the article Marchetti argued that the House Select Committee on Assassinations (HSCA) had obtained a 1966 CIA memo that revealed Hemming, E. Howard Hunt, and Frank Sturgis had been involved in the plot to kill Kennedy

House Select Committee on Assassinations (HSCA)

Politics / Assassination of Kennedy, JF

Victor Marchetti publishes an article about the assassination of John F. Kennedy in the Liberty Lobby newspaper, The Spotlight.

HSCA Allegations

Anti-Castro Activist · Washington · Politics / Assassination of Kennedy, JF

Is named in allegations discussed around the committee investigation.

Role range: 1978-1978

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.