Hugh Everett III

Hugh Everett III

American scientist (1930–1982)

Hugh Everett III, a name that echoes in the hushed halls of theoretical physics, was born on November 11, 1930, in Washington, D.C. . His life, though tragically cut short in 1982, left an indelible mark on our understanding of the universe, primarily through his audacious proposal of the many-worlds interpretation of quantum mechanics . His journey, from a curious child writing to Albert Einstein to a physicist grappling with the very fabric of reality, is a testament to a mind that dared to stray from convention.

Early Life and Education

Everett’s early years were shaped by the separation of his parents. Raised initially by his mother, Katherine Lucille Everett (née Kennedy), he later found himself under the care of his father, Hugh Everett, Jr., and stepmother, Sarah Everett (née Thrift), from the age of seven. This early period of his life, marked by shifts and adjustments, perhaps sowed the seeds of a certain independence in his thinking.

Even as a young boy, Everett possessed a profound curiosity about the fundamental nature of existence. At twelve, he posed a question to the esteemed Albert Einstein regarding the universe’s organizing principle—whether it was governed by chance or a unifying force. Einstein’s whimsical, yet insightful, reply hinted at Everett’s own determined nature: “There is no such thing like an irresistible force and immovable body. But there seems to be a very stubborn boy who has forced his way victoriously through strange difficulties created by himself for this purpose.” This early exchange foreshadowed Everett’s own path, one of confronting and overcoming intellectual obstacles.

His academic journey began at St. John’s College High School in Washington, D.C. , where he secured a partial scholarship. He then moved on to The Catholic University of America to pursue chemical engineering . It was during this time that he encountered Dianetics in Astounding Science Fiction . While he never formally embraced Scientology , the founder of which was L. Ron Hubbard, this exposure seemingly instilled in him a lifelong skepticism towards conventional medical practices.

The backdrop of World War II saw his father serving as a lieutenant colonel in Europe. Upon his father’s reassignment to West Germany after the war, Everett joined him in 1949, taking a year away from his undergraduate studies. This period, shared with his father, was marked by a shared passion for photography. Their lenses captured the reconstruction of West Germany, producing hundreds of images notable for their stark absence of people, a reflection of their shared focus on technical endeavors rather than human subjects. Everett graduated from Catholic University in 1953 with a degree in chemical engineering , having also completed a considerable number of courses that would have qualified him for a mathematics degree.

Princeton University

A National Science Foundation fellowship then paved the way for Everett’s graduate studies at Princeton University . He initially enrolled in the mathematics department, delving into the burgeoning field of game theory under the tutelage of Albert W. Tucker . However, his intellectual compass gradually shifted towards physics. By 1953, he was attending introductory physics courses, including quantum mechanics with Robert Dicke .

The following year, Everett took Methods of Mathematical Physics with Eugene Wigner , though he maintained his engagement with mathematics, even presenting a paper on military game theory in December. He successfully navigated his general examinations in the spring of 1955, earning his master’s degree . It was during this period that he began to conceptualize the work that would, years later, bring him widespread recognition. He transitioned his doctoral advisor to John Archibald Wheeler in 1955 and penned several short papers on quantum theory , culminating in the extensive paper “Wave Mechanics Without Probability” by April 1956.

His third year at Princeton saw him sharing an apartment with fellow students Hale Trotter , Harvey Arnold, and Charles Misner . Arnold later recalled Everett’s remarkable intellectual breadth: “He was smart in a very broad way. I mean, to go from chemical engineering to mathematics to physics and spending most of the time buried in a science fiction book, I mean, this is talent.” It was also during this time that he met Nancy Gore, who would later type his seminal paper and become his wife the following year. The paper, initially titled “Wave Mechanics Without Probability,” was eventually retitled “The Theory of the Universal Wave Function.”

In May 1956, Wheeler journeyed to Copenhagen with the hope of garnering support for at least a portion of Everett’s groundbreaking ideas, but his efforts proved fruitless.

Career and the Genesis of Many-Worlds

Facing the prospect of military conscription , Everett accepted a research position with the Pentagon the year before his oral examination for his PhD. This move marked a departure from pure theoretical physics research. He commenced his work at the Weapons Systems Evaluation Group (WSEG) in June 1956. A stipulation of his new role was the completion of his PhD within a year, a task he accomplished by returning to Princeton in April 1957 to defend his dissertation, “On the foundations of quantum mechanics.” The examination committee, comprising Wheeler, Valentine Bargmann , H. W. Wyld, and Dicke, lauded his performance: “The candidate passed a very good examination. He dealt with a very difficult subject and defended his conclusions firmly, clearly, and logically. He shows marked mathematical ability, keenness in logic analyses, and a high ability to express himself well.”

A condensed version of Everett’s thesis, a compromise between him and Wheeler on how best to present the core concepts, was published in Reviews of Modern Physics . Wheeler’s accompanying review was favorable, though Everett himself expressed dissatisfaction with the article’s final form. This marked a transition for Everett, moving from the academic sphere into the realm of applied science and commercial endeavors.

His orientation to nuclear weapons during a course at Sandia National Laboratories in Albuquerque, New Mexico in late 1956 sparked an interest in computer modeling. By 1957, he had risen to direct the WSEG’s Department of Physical and Mathematical Sciences. Much of his research during this period, including significant work on the Minuteman missile project and the influential study “The Distribution and Effects of Fallout in Large Nuclear Weapon Campaigns,” remains classified.

A pivotal, and ultimately dispiriting, encounter occurred in March and April 1959 when Everett traveled to Copenhagen at Wheeler’s behest to meet with Niels Bohr , a central figure in the Copenhagen interpretation of quantum mechanics . The meeting was a profound failure. Bohr vehemently rejected Everett’s ideas, defending his own established framework. Léon Rosenfeld , a staunch supporter of Bohr, reportedly described Everett as “undescribably stupid” and incapable of grasping fundamental quantum concepts. Everett himself later characterized the experience as “hell…doomed from the beginning.”

During his time in Copenhagen, Everett began developing a novel approach to mathematical optimization using generalized Lagrange multipliers . His theorem, published in 1963, established a link between the Lagrangian bidual and the primal problem. This work proved highly relevant to operations research , a field where Everett applied his discoveries throughout his career as a defense analyst and consultant .

In 1962, Everett was invited to present his “relative state” formulation at a conference on quantum mechanics foundations at Xavier University . He used this platform to articulate his derivation of probability within his framework and explicitly stated the equal “realness” of observers across all branches of the wavefunction. He also acknowledged Boris Podolsky ’s observation that his theory implied a “non-denumerable infinity of worlds.”

The establishment of Lambda Corp. in August 1964, by Everett and several WSEG colleagues, marked an attempt to apply military modeling solutions to civilian problems. However, the subsequent curtailment of defense budgets, exacerbated by the Vietnam War , led to Lambda’s absorption by the General Research Corp.

Everett and his Lambda colleague, Donald Reisler, then founded DBS Corporation in Arlington, Virginia in 1973. While DBS engaged in defense research, including optimization for United States Navy ship maintenance and weapons applications, its primary focus shifted to analyzing the socioeconomic impacts of affirmative action programs for the Department of Justice and the Department of Health, Education and Welfare . For a period, American Management Systems , a business consulting firm, provided partial support for DBS, leveraging algorithms developed by Everett. He also held a non-administrative vice presidency at AMS and was a frequent consultant to the firm’s founders. Everett had cultivated an early proficiency in computer programming at IDA and later favored the TRS-80 at DBS, where he spent the remainder of his working life.

Later Recognition and Legacy

The seeds of recognition for Everett’s work began to sprout in 1970 when Bryce DeWitt published an article in Physics Today on Everett’s relative-state theory, coining the term “many-worlds.” This article generated considerable correspondence from physicists, to which DeWitt responded, publishing his exchanges. Concurrently, DeWitt began compiling an anthology on the many-worlds interpretation, featuring Everett’s previously unpublished 1956 paper, “The Theory of the Universal Wavefunction.” The anthology, released in late 1973, quickly sold out. In 1976, Everett’s ideas found an audience in the pages of the science fiction magazine Analog .

In 1977, Everett was invited to speak at a conference organized by Wheeler at the University of Texas at Austin . This trip, taken during a leave from his defense work, allowed him to reunite with his family and meet Bryce DeWitt for the first time. His presentation was well-received, influencing several physicists in attendance, including Wheeler’s graduate student David Deutsch , who would later champion the many-worlds interpretation. Everett, who “never wavered in his belief in his many-worlds theory,” found the experience rewarding, marking the first time in years he had publicly discussed his quantum work. Nevertheless, he expressed a sense of detachment, stating, “[I] had washed my hands of the whole affair in 1956.” Wheeler attempted to facilitate Everett’s return to academia by proposing a new research institute in California, but this initiative did not materialize. By 1980, Wheeler himself expressed reservations about the theory, citing its “too great a load of metaphysical baggage.”

Death and Enduring Influence

Hugh Everett III died suddenly of a heart attack at the age of 51 on the night of July 18–19, 1982. His lifestyle, characterized by obesity, frequent chain-smoking , and alcohol consumption, likely contributed to his premature death, though he appeared to be in good health at the time. A staunch atheist, he had requested his remains be disposed of as common waste. His wife, Nancy, initially kept his ashes in an urn but eventually honored his wishes. His son, Mark Oliver Everett , reflected on his father’s passing with a mixture of regret and acceptance, noting his father’s statement of having lived a good and satisfying life.

Of the companies Everett helped found, only Monowave Corporation, based in Seattle , remained active as of 2023. Everett’s daughter, Elizabeth, died by suicide in 1996, followed by his wife’s death from cancer in 1998. The profound grief experienced by his son, the musician Mark Oliver Everett (also known as “E”) and frontman of the band Eels , heavily influenced the Eels album Electro-Shock Blues .

The BBC documentary Parallel Worlds, Parallel Lives , later aired on PBS ’s Nova series in the USA, explored the complex relationship between Mark and his father, revealing Mark’s late discovery of his father’s significant scientific legacy.

Everett’s work, though initially met with skepticism, has gained significant traction in recent decades, particularly with the advent of quantum decoherence in the 1970s. The many-worlds interpretation is now considered one of the dominant interpretations of quantum mechanics , a testament to the enduring power of a single, audacious idea. His theorem on mathematical optimization also continues to find application in operations research . Everett’s life story serves as a reminder that sometimes, the most profound truths lie just beyond the edge of our current understanding, waiting for a mind bold enough to perceive them.