William Cooper Davidon (March 18, 1927 – November 8, 2013) was an American
professor
Professor (commonly abbreviated as Prof.) is an Academy, academic rank at university, universities and other tertiary education, post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin ...
of physics and mathematics, and a peace
activist
Activism consists of efforts to promote, impede, direct or intervene in social, political, economic or environmental reform with the desire to make changes in society toward a perceived common good. Forms of activism range from mandate build ...
. As the mastermind of the March 8, 1971,
FBI
The Federal Bureau of Investigation (FBI) is the domestic Intelligence agency, intelligence and Security agency, security service of the United States and Federal law enforcement in the United States, its principal federal law enforcement ag ...
office break-in, in
Media, Pennsylvania
Media is a borough (Pennsylvania), borough in and the county seat of Delaware County, Pennsylvania, United States. It is located about west of Philadelphia. It is part of the Delaware Valley, also known as the Philadelphia metropolitan area.
...
, Davidon was the informal leader of the
Citizens' Commission to Investigate the FBI
The Citizens' Commission to Investigate the FBI was an activist group in the United States during the early 1970s. Their only known action was breaking into the field office of the Federal Bureau of Investigation (FBI) located in Media, Pennsylva ...
. The Media break-in resulted in the disclosure of
COINTELPRO
COINTELPRO (a syllabic abbreviation derived from Counter Intelligence Program) was a series of covert and illegal projects conducted between 1956 and 1971 by the United States Federal Bureau of Investigation (FBI) aimed at surveilling, infiltr ...
, which in turn led to subsequent investigations and reforms of the FBI.
Life
Davidon was born in
Fort Lauderdale
Fort Lauderdale ( ) is a coastal city located in the U.S. state of Florida, north of Miami along the Atlantic Ocean. It is the county seat of and most populous city in Broward County with a population of 182,760 at the 2020 census, making it ...
, Florida, in 1927.
He attended
Purdue University
Purdue University is a Public university#United States, public Land-grant university, land-grant research university in West Lafayette, Indiana, United States, and the flagship campus of the Purdue University system. The university was founded ...
and graduated from the
University of Chicago
The University of Chicago (UChicago, Chicago, or UChi) is a Private university, private research university in Chicago, Illinois, United States. Its main campus is in the Hyde Park, Chicago, Hyde Park neighborhood on Chicago's South Side, Chic ...
with a B.S. (1947), masters (1950), and Ph.D. (1954) in physics. From 1954 to 1956, Davidon was a research associate at the
Enrico Fermi Institute
__NOTOC__
The Institute for Nuclear Studies was founded September 1945 as part of the University of Chicago with Samuel King Allison as director. On November 20, 1955, it was renamed The Enrico Fermi Institute for Nuclear Studies. The name was ...
. From 1956 to 1961, he was an associate physicist at the
Argonne National Laboratory
Argonne National Laboratory is a Federally funded research and development centers, federally funded research and development center in Lemont, Illinois, Lemont, Illinois, United States. Founded in 1946, the laboratory is owned by the United Sta ...
, where he developed the first
quasi-Newton algorithm, now known as the
Davidon–Fletcher–Powell formula.
Davidon was professor of physics at
Haverford College
Haverford College ( ) is a private university, private Liberal arts colleges in the United States, liberal arts college in Haverford, Pennsylvania, United States. It was founded as a men's college in 1833 by members of the Religious Society of Fr ...
from 1961 to 1981, and then Professor of Mathematics (1981–1991), as his interests shifted to include
mathematical logic
Mathematical logic is the study of Logic#Formal logic, formal logic within mathematics. Major subareas include model theory, proof theory, set theory, and recursion theory (also known as computability theory). Research in mathematical logic com ...
,
set theory
Set theory is the branch of mathematical logic that studies Set (mathematics), sets, which can be informally described as collections of objects. Although objects of any kind can be collected into a set, set theory – as a branch of mathema ...
and
non-standard analysis
The history of calculus is fraught with philosophical debates about the meaning and logical validity of fluxions or infinitesimal numbers. The standard way to resolve these debates is to define the operations of calculus using (ε, δ)-definitio ...
. Davidon was a 1966
Fulbright Scholar
The Fulbright Program, including the Fulbright–Hays Program, is one of several United States cultural exchange programs with the goal of improving intercultural relations, cultural diplomacy, and intercultural competence between the peopl ...
.
He retired in 1991.
Davidon moved to
Highlands Ranch, Colorado
Highlands Ranch is an unincorporated community and a census-designated place (CDP) located in and governed by Douglas County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The p ...
, in 2010. He died November 8, 2013, of Parkinson's disease.
Activism
In 1966, Davidon traveled to
South Vietnam
South Vietnam, officially the Republic of Vietnam (RVN; , VNCH), was a country in Southeast Asia that existed from 1955 to 1975. It first garnered Diplomatic recognition, international recognition in 1949 as the State of Vietnam within the ...
, with
A. J. Muste, sponsored by the
Committee for Non-Violent Action
The Committee for Non-Violent Action (CNVA) was an American anti-war group, formed in 1957 to resist the US government's program of nuclear weapons testing. It was one of the first organizations to employ nonviolent direct action to protest against ...
. He also announced that year that he would be refusing to pay his federal income tax in protest against the Vietnam War. Later, he became a sponsor of the War Tax Resistance project, which practiced and advocated
tax resistance
Tax resistance is the refusal to pay tax because of opposition to the government that is imposing the tax, or to government policy, or as opposition to taxation in itself. Tax resistance is a form of direct action and, if in violation of the ta ...
as a form of anti-war protest.
In 1971, he was named an "unindicted co-conspirator" in the
Harrisburg Seven
The Harrisburg Seven were a group of religion, religious anti-war activists, led by Philip Berrigan, charged in 1971 in a failed Conspiracy (criminal), conspiracy case in the United States District Court for the Middle District of Pennsylvania, lo ...
case. During much of this time, he served on the board of directors of the
American Civil Liberties Union
The American Civil Liberties Union (ACLU) is an American nonprofit civil rights organization founded in 1920. ACLU affiliates are active in all 50 states, Washington, D.C., and Puerto Rico. The budget of the ACLU in 2024 was $383 million.
T ...
, Philadelphia affiliate.
As the leader of the
Citizens' Commission to Investigate the FBI
The Citizens' Commission to Investigate the FBI was an activist group in the United States during the early 1970s. Their only known action was breaking into the field office of the Federal Bureau of Investigation (FBI) located in Media, Pennsylva ...
, Davidon was instrumental in planning and organizing a break-in of the FBI's
Media, Pennsylvania
Media is a borough (Pennsylvania), borough in and the county seat of Delaware County, Pennsylvania, United States. It is located about west of Philadelphia. It is part of the Delaware Valley, also known as the Philadelphia metropolitan area.
...
office. The documents stolen there led to the disclosure of
COINTELPRO
COINTELPRO (a syllabic abbreviation derived from Counter Intelligence Program) was a series of covert and illegal projects conducted between 1956 and 1971 by the United States Federal Bureau of Investigation (FBI) aimed at surveilling, infiltr ...
. According to ''The Burglary'', a book published shortly after his death, Davidon also had engaged in
draft board
{{further, Conscription in the United StatesDraft boards are a part of the Selective Service System which register and select men of military age in the event of conscription in the United States.
Local board
The local draft board is a board tha ...
raids, stealing or destroying files, and subsequent to Media participated in two acts of
sabotage
Sabotage is a deliberate action aimed at weakening a polity, government, effort, or organization through subversion, obstruction, demoralization (warfare), demoralization, destabilization, divide and rule, division, social disruption, disrupti ...
against military materiel intended for use in
Vietnam
Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...
. Due at least in part to his exceptionally careful planning and his co-conspirators' total commitment to secrecy and discretion, neither he nor anyone else was ever charged in any of those actions, despite an intense, five-year FBI investigation.
Family
In 1963, Davidon married
Ann Morrissett
Anne, alternatively spelled Ann, is a form of the Latin female name Anna. This in turn is a representation of the Hebrew Hannah, which means 'favour' or 'grace'. Related names include Annie and Ana.
Anne is sometimes used as a male name in t ...
(1925–2004), a noted pacifist/feminist essayist and activist. They had two daughter
Sarah Davidonand
Ruth Rodgers. Davidon and Morrissett divorced in 1978.
He subsequently married Maxine Libros,
who died in 2010. Davidon had a son, Alan (1949– ), from his first marriage to Phyllis Wise (1927– ).
Davidon also had a child with Zuzana (Suzanne) Libich, née Freund (b. 1928,
Prague
Prague ( ; ) is the capital and List of cities and towns in the Czech Republic, largest city of the Czech Republic and the historical capital of Bohemia. Prague, located on the Vltava River, has a population of about 1.4 million, while its P ...
– d. 2006,
Munich
Munich is the capital and most populous city of Bavaria, Germany. As of 30 November 2024, its population was 1,604,384, making it the third-largest city in Germany after Berlin and Hamburg. Munich is the largest city in Germany that is no ...
), an interpreter and peace activist during the 1968
Prague Spring
The Prague Spring (; ) was a period of liberalization, political liberalization and mass protest in
the Czechoslovak Socialist Republic. It began on 5 January 1968, when reformist Alexander Dubček was elected Secretary (title), First Secre ...
. They met at the
Pugwash Conference
The Pugwash Conferences on Science and World Affairs is an international organization that brings together scholars and public figures to work toward reducing the danger of armed conflict and to seek solutions to global security threats. It was fo ...
in
Marienbad in 1969. Aimée (b. 1970) is an artist and engineer in
Los Angeles, California
Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
.
References
External links
Oral history interview transcript with William Davidon on 11 July 1997, American Institute of Physics, Niels Bohr Library & Archives
{{DEFAULTSORT:Davidon, William C.
1927 births
2013 deaths
American physicists
American pacifists
American tax resisters
University of Chicago alumni
Haverford College faculty
People from Highlands Ranch, Colorado