Historical biography archive · Updated 2026-11-03

Leslie Gelb Biography and Timeline

Follow Leslie Gelb through 7 dated historical records for United States of America.

Leslie Gelb, historical timeline

A chronological timeline drawn from matching World History Database records.

7Distinct records
1 of 1Page
1967–1969Years on this page

1967

Pentagon Papers Task Force Direction

Defense Department Official · Washington · Warfare / Vietnam War, 2nd

Gelb assumes a central directing role in the Defense Department task force compiling the classified Vietnam history.

Role range: 1960-1975

1968

Forty-Seven Volume Structure

Defense Department Official · Washington · Warfare / Vietnam War, 2nd

Under Gelb's direction the project is organized as a forty-seven-volume classified historical study.

Role range: 1960-1975

Pentagon Papers Compilation

Defense Department Official · Washington · Warfare / Vietnam War, 2nd

Gelb supervises compilation of analytical studies and supporting government documents into the multi-volume Vietnam history.

Role range: 1960-1975

Seven-Thousand Page Study

Defense Department Official · Washington · Warfare / Vietnam War, 2nd

Gelb's organization assembles roughly seven thousand pages of analysis and supporting documents for the completed study.

Role range: 1960-1975

1969

Completion of Vietnam Study

Defense Department Official · Washington · Warfare / Vietnam War, 2nd

Gelb completes the Defense Department history and prepares the finished study for delivery to Secretary Clark Clifford.

Role range: 1960-1975

Pentagon Papers Classification

Defense Department Official · Washington · Warfare / Vietnam War, 2nd

The completed study presented by Gelb remains classified at the Top Secret level.

Role range: 1960-1975

Presentation to Clark Clifford

Defense Department Official · Washington · Warfare / Vietnam War, 2nd

Gelb presents the completed Vietnam study to Secretary of Defense Clark Clifford five days before Richard Nixon's inauguration.

Role range: 1960-1975

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.