Leonard Seidman Unger was a diplomat

Diplomat

A diplomat is a person appointed by a state to conduct diplomacy with another state or international organization. The main functions of diplomats revolve around the representation and protection of the interests and nationals of the sending state, as well as the promotion of information and...

 and United States Ambassador to Laos

United States Ambassador to Laos

This is a list of United States Ambassadors to the Lao People's Democratic Republic, or Laos. The Embassy at Laos was established on August 22, 1950...

 (1962–64), Thailand

United States Ambassador to Thailand

This is a list of Ambassadors of the United States to Thailand.Thailand has had continuous bilateral relations with the United States since 1882. Relations were interrupted during World War II when Bangkok was occupied by Japanese forces. Normal relations were resumed after the war in 1945.The...

 (1967), and was the last US ambassador to the Republic of China

Republic of China

The Republic of China , commonly known as Taiwan , is a unitary sovereign state located in East Asia. Originally based in mainland China, the Republic of China currently governs the island of Taiwan , which forms over 99% of its current territory, as well as Penghu, Kinmen, Matsu and other minor...

 (1974–79).

Personal life

Unger was born in San Diego, California

San Diego, California

San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...

 and graduated from Harvard College

Harvard College

Harvard College, in Cambridge, Massachusetts, is one of two schools within Harvard University granting undergraduate degrees...

 with a Bachelor of Arts

Bachelor of Arts

A Bachelor of Arts , from the Latin artium baccalaureus, is a bachelor's degree awarded for an undergraduate course or program in either the liberal arts, the sciences, or both...

 in 1939. He was the co-author of The Trieste negotiations and co-editor of Laos : beyond the revolution. After retiring from the foreign service, he taught at the Fletcher School of Law and Diplomacy at Tufts University

Tufts University

Tufts University is a private research university located in Medford/Somerville, near Boston, Massachusetts. It is organized into ten schools, including two undergraduate programs and eight graduate divisions, on four campuses in Massachusetts and on the eastern border of France...

. He died on June 3, 2010 in Sebastopol, California

Sebastopol, California

Sebastopol is a city in Sonoma County, California, United States, approximately north of San Francisco. The population was 7,379 at the 2010 census, but its businesses also serve surrounding rural portions of Sonoma County, totaling about 50,000 people...

.

Diplomacy career

Unger was a member of the American Academy of Diplomacy

American Academy of Diplomacy

The American Academy of Diplomacy is a private, non-profit, non-partisan, elected organization whose active membership is limited to men and women who have held positions of high responsibility in crafting and implementing American foreign policy...

 and Council on Foreign Relations

Council on Foreign Relations

The Council on Foreign Relations is an American nonprofit nonpartisan membership organization, publisher, and think tank specializing in U.S. foreign policy and international affairs...

. He was also the Deputy Assistant Secretary of State for Far Eastern Affairs in the Johnson administration. and the head of the Interdepartmental Vietnam Coordinating Committee, a committee set up by President Johnson

Lyndon B. Johnson

Lyndon Baines Johnson , often referred to as LBJ, was the 36th President of the United States after his service as the 37th Vice President of the United States...

 to explore various 'use of force' options in the period before United States involvement in the Vietnam war

Vietnam War

The Vietnam War was a Cold War-era military conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. This war followed the First Indochina War and was fought between North Vietnam, supported by its communist allies, and the government of...

 escalated. Prior to his involvement in South-East and East Asia, Unger was the United States Political Advisor to the Free Territory of Trieste

Trieste

Trieste is a city and seaport in northeastern Italy. It is situated towards the end of a narrow strip of land lying between the Adriatic Sea and Italy's border with Slovenia, which lies almost immediately south and east of the city...

.