How to Apply Management as a Liberal Art *

July 3, 2023

Five years before he died, Peter Drucker revealed his basic belief about management for the first time. What a surprise!  He wrote: “Management is what tradition used to call a liberal art - ‘liberal’ because it deals with the four fundamentals of knowledge, self-knowledge, wisdom, and leadership; ‘art’ because it deals with practice and application.”

 

That’s not what others said. They said that management was a science.  The popular manta was and is “quantitative analysis for business decisions.” Most management practitioners ignored the liberal arts and focused on economics and quantitative analysis.

 

If Drucker is correct, a different approach is desirable. The impacts of ethics and social responsibility in management are not just desirable, they are required. But there’s more emphasis than Drucker’s words. To neglect the fact that liberal arts are necessary in decision-making, problem-solving, and discovery, is also to ignore the fact they have been used and their need proven by scientists for centuries. They have not only verified the liberal arts as effective, but in many cases proven them critical to success. Albert Einstein, a world-renowned scientist who accomplished amazing discoveries in theoretical physics, used not quantitative analysis, but the liberal arts in his work. Einstein’s theory of relativity, for example,  was accomplished by his imagining himself traveling with a beam of light and what was observed to those remaining stationery, not computers and economic analysis.

 

Einstein employed liberal arts in many other discoveries. He was awarded the Nobel prize in Theoretical Physics for four papers  all published in one year, 1905. How he did this he explained in a letter to the London Times dated November 28, 1919. Among these is probably the world’s best known equation, E = MC²,  representing the conservation of energy. He calculated this the same way,  using the liberal arts along with the theory of relativity the same year.  For these four major papers, he was awarded the Nobel Prize in Theoretical Physics. He used the liberal arts. Einstein didn’t use computers, had no lab assistants, and didn’t have a room with chalk-filled blackboards. He was an unknown and did the research while in an entry level position as a patent examiner at the Swiss Patent Office in Bern after receiving his PhD at the University of Zurich.

 

Economics are but One of Many Topics


Drucker demonstrated that though numbers may be a factor in successful profitability in decision-making, there are always other factors which may be significant in a different situation which can be more important and must not be ignored. Ethics and social responsibility are two important examples. Because management is an art and decisions must be made about an issue and environment that are more complicated and subject to more variability than numbers alone, other topics are equally, and sometimes more important. As an art, such work deserves to be accomplished as if you were developing a musical sonata, painting, or sculpture because, that’s pretty much what you’re doing.

 

Drucker’s Approach


When Drucker wrote that management was a liberal art, some thought he was anti-science. He wasn’t. But Drucker frequently found advantages to the use of the liberal arts and sometimes even non-quantifiable factors were more important than “quantitative analyses.” He used quantitative methods when appropriate but did not omit important non-quantifiable facts. For example, he showed that while profitability in business was necessary, maximum profitability might not even be a worthwhile or even an ethical goal, even if it were possible by segmenting the market.

 

Earning a PhD Under Drucker


Ten years after I received my MBA at a first-class business school which prided itself on being arguably the leading school in quantitative management decision making, I entered the PhD program which had been co-developed by Drucker including courses taught only by him and his dean, Paul Albrecht. Their methods differed significantly from other professors. Drucker maintained that at the end of the day, managers make decisions from the gut, and that economics was just one input, and not the only one. He specified four fundamentals necessary for what is now known as Management as a Liberal Art or MLA: 1. Knowledge, 2. Self-knowledge, 3. Wisdom, and  4. Leadership.

 

 

Specific Knowledge, the First Fundamental


Drucker listed the following topics that are traditionally included among liberal arts topics: Humanities, Social Sciences, Psychology, Philosophy, Economics, History, Physical Sciences, and Ethics. Unsurprisingly unique knowledge is frequently generated when someone from a different organization, industry, company, country or specialty joins yours. Drucker’s experience was that the most important innovations tend to arrive in this way. Therefore, any knowledge may be useful in a particular situation for a successful solution. Therefore, potential solutions based on unfamiliar ideas should be welcomed, evaluated, and not ignored regardless of source.

 

Self-Knowledge, the Frequently Overlooked Fundamental


“Self-knowledge” refers to knowledge of one’s own sensations, thoughts, beliefs, and other mental states, but also the state of your organization. Self-knowledge comes from experience, success, failure, observation, and reflection on lessons learned and applied, but also an examination of conditions and resources in your own organization including both strengths and weaknesses.

Two thousand years ago the Chinese philosopher and successful military general, Sun Tzu, wrote: “If I know myself and know my enemy, I need not fear defeat in 100 battles. If I know only myself, I will lose half. If I know only my enemy and not myself, I will lose all.” This says that while knowing your potential competition is important, knowing your own capabilities and limitations may be even more so.

 

 

The Fourth Fundamental is Wisdom


Most believe that wisdom originates from experience, but one must use the experience gained and review results before it can be said that wisdom has been assimilated and demonstrated. Though difficult to acquire, many cultures, including our own, believe in its importance. The Chinese culture, one of the oldest existing cultures assign it a high value. There are also 222 mentions of wisdom in the Jewish Holy Scriptures and wisdom is thought to be a foundation of Jewish thought. Certain wisdom was observed abroad and considered unique in America as early as 1815.

 

In that year, an artistic  work on his impression of this unfamiliar new country was completed by James Barralet, an emigrant of Irish and French origin. He described it simply as “America Guided by Wisdom” and created an engraving representing this concept that still hangs today in the Library of Congress in Washington, DC. Of course, a lot has happened since 1815, and we sometimes make mistakes during wisdom’s formation, but the effort and its results are still self-evident.

 

The Most Important Element of MLA: Leadership


Drucker investigated and found that 50% of the results of management decisions come from leadership, while all other actions contribute smaller individual percentages to constitute the remaining 50%. However, Drucker made it clear that the leadership he recommended must be practiced ethically.

 

A business must be profitable to continue to operate, but society also demands from businesses social responsibility. Drucker constantly pointed out examples. One of his favorites was case of Julius Rosenwald, President and later Board Chair of Sears Roebuck from 1908 until his death in 1932 which was a period of its great growth. He established the Rosenwald Fund, which was the first of its kind and donated millions of dollars in matching funds to promote the vocational and technical education of minority employees, noting that he considered this a duty. In those days this was a highly unusual act.

 

Drucker added that while society expected a company to be profitable it had no expectation or requirement that a company generate maximum profits especially through questionable or unethical tactics.

 

An Art Concerns Practice, Application and Results


 As Drucker pointed out, as an art, MLA deals with practice, application, and results.  Contrary to the poor conduct and practices that sometimes appear, Drucker maintained that only the best and highest ethical conduct was acceptable. As Drucker’s former student and remembering his values and teachings, I doubt whether he would change his opinion as to what he believed regardless of what others might think or some of the poor examples of leadership sometimes observed by leaders in well-known business or government .

 

This sets MLA apart and the leadership he demanded is not always easy. Unlike use of mathematic formulae, the learning of which may be confirmed by memorization, paper application, and testing for significance, mastery of MLA can only be demonstrated by application, which includes not only performance, but maintaining ethical values and responsibility. As Doris Drucker, Peter’s widow, said on several occasions “I admired much about my husband, but most of all, I admired the values he believed in and represented.”

 

References

*Adapted from the following with extracts published internationally

Drucker on Leadership by William A. Cohen (Jossey - Bass, 2010

Drucker’s Way to the Top by William A. Cohen (LID, 2019)

The New Art of the Leader, by William A. Cohen (Prentice Hall, 2000)

The Art of the Leader, 3 rd edition by William A. Cohen (Pyramid Press, 2018)

The Art of the Strategist (audio version) by William A. Cohen (Harper Collins, forthcoming, 2023-24)

 

 

 

By Bo Yang, Ph.D. January 31, 2026
Peter Drucker’s memoir, Adventures of a Bystander, is a self-portrait of a most unusual kind. It reveals its subject not through direct autobiography, but through a series of incisive portraits of the people he encountered throughout a tumultuous life. Drucker positions himself as a "bystander," but this is no passive observer. Instead, he is an intellectual portraitist whose careful study of others becomes the very method by which he comes to understand himself and the fractured world he inhabited.
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This essay was inspired by an article recently published by Karen Linkletter and Pooya Tabesh (2025). They were in search of the meaning of “decision” in the works of Peter Drucker. To this end, they used Python to identify and locate all the times the word, “decision”, came up in Peter Drucker’s oeuvre . They then characterized the contexts (“themes”) in which the word came up. The result was a nuanced but very clear characterization of the evolution of his thinking on the topic. Here, we will focus on a key theme for Drucker: the case where your decisions involve other people’s decisions and actions . For present purposes, we can start with their statement: One of Drucker’s valuable contributions to the literature on decision-making is his adamance that implementation be built into the decision-making process.” (Linkletter and Tabesh 2025 8) To be clear, “…it is not a surprise that his integration of implementation of and commitment to decisions is part of his process of decision-making. He argues that a decision “has not been made until it has been realized in action.” (2025 8) The question, therefore, is how to make this happen, how to turn an organization from an aggregate of individuals whose decisions may or may not be aligned, into an agent—an entity that makes decisions, implements them, and then ascertains that what was done was, in fact, what was decided, as we try to do when making purely individual decisions. Let’s look at the matter more closely… A few years ago, I read a story about a road crew that was painting a double-yellow line on a highway. In their path was a dead raccoon that had been hit by a car or truck. It was lying right in the middle of the road. The crew didn’t stop. Someone later took a picture of the dead raccoon with a double-yellow line freshly painted right over it. The picture is below. It went viral on the Internet.
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When Paul Polman became CEO of Unilever in 2009, he did not inherit a troubled company. He stepped into a large global enterprise with familiar consumer brands that sat on shelves in cities from Amsterdam to Manila. Even with that scale and reach, the business rested on foundations that were beginning to crack. Public faith in multinational firms was fading, climate change was moving from a distant worry to a financial reality, and investors were increasingly locked into the rhythm of quarterly results that encouraged short term decisions and discouraged real strategy.
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Peter Drucker suggested that readers view his first three books as a unified body of work: The End of Economic Man(1939), The Future of Industrial Man (1942), and Concept of the Corporation (1946). These works share a common theme: politics. Drucker did not think about politics like scholars who strictly follow modern social science norms. Instead, he viewed politics as part of social ecology and understood political events through the dynamic changes in social ecology. Despite having "corporation" in its title and using General Motors as a case study, Concept of the Corporation is indeed a book about politics. In this work, Drucker attempts to address the main issues that industrial society must resolve: the legitimacy of managerial authority, the status and function of managers and workers, and the power structure of society and organizations. In Drucker's own words, this is a book exploring the specific principles of industrial society. Corresponding to these specific social principles, Drucker had earlier attempted to develop a general social theory, which was the aim of The End of Economic Man and The Future of Industrial Man. The subtitle of The End of Economic Man is "The Origins of Totalitarianism." The book focuses on how society disintegrates in industrial societies and how totalitarianism rises. For Drucker, the real challenge of this topic isn't explaining how Hitler and Mussolini came to power, nor the actions of Germany and Italy in government, military, and economic spheres. Rather, it's understanding why some Europeans accepted clearly absurd totalitarian ideologies, and why others seemed potentially receptive to them. Drucker's writing style is argumentative. He clearly knew that to effectively advance his arguments, he needed to engage with popular theories of his time. Back then, there were two main explanatory approaches to Nazism and Fascism, which Drucker termed "illusions." Some viewed totalitarianism as ordinary political turmoil similar to previous historical revolutions. In their view, totalitarianism was characterized merely by cruelty, disruption of order, propaganda, and manipulation. Others considered totalitarianism a phenomenon unique to Germany and Italy, related to their specific national characters. Drucker thoroughly refuted explanations based on "national character." He believed that any historical approach appealing to "national character" was pseudo-history. Such theories always emphasize that certain events were inevitable in certain places. But all claims of "inevitability" negate human free will and thus deny politics: without human choice, there is no politics. If the rise of totalitarianism were inevitable, there would be no need or possibility to oppose it. Viewing totalitarianism as an ordinary revolution is equally dangerous. This thinking merely emphasizes how bad Nazis and Fascists were. But the real issue is that Europeans were not merely submitting out of fear—they were actually attracted to totalitarianism. And those attracted weren't just the ignorant masses but also well-educated intellectual elites, especially the younger generation. The world cannot defeat totalitarianism through contempt alone, especially if that contempt stems from ignorance. Understanding the enemy is a prerequisite to defeating it. Drucker identified three main characteristics of Nazism and Fascism (totalitarianism is a social type, with Nazism and Fascism being its representatives in industrialized Europe): 1. The complete rejection of freedom and equality, which are the core beliefs of European civilization, without offering any positive alternative beliefs. 2. The complete rejection of the promise of legitimate power. Power must have legitimacy—this is a long-standing tradition in European politics. For power to have legitimacy means that it makes a commitment to the fundamental beliefs of civilization. Totalitarianism denied all European beliefs, thereby liberating power from the burden of responsibility. 3. The discovery and exploitation of mass psychology: in times of absolute despair, the more absurd something is, the more people are willing to believe it. The End of Economic Man develops a diagnosis of totalitarianism around these three characteristics. Drucker offers a deeper insight: totalitarianism is actually a solution to many chronic problems in industrial society. At a time when European industrial society was on the verge of collapse, totalitarians at least identified the problems and offered some solutions. This is why they possessed such magical appeal. Why did totalitarianism completely reject the basic beliefs of European civilization? Drucker's answer: neither traditional capitalism nor Marxist socialism could fulfill their promises of freedom and equality. "Economic Man" in Drucker's book has a different meaning than in Adam Smith's work. "Economic Man" refers to people living in capitalist or socialist societies who believe that through economic progress, a free and equal world would "automatically" emerge. The reality was that capitalism's economic freedom exacerbated social inequality, while socialism not only failed to eliminate inequality but created an even more rigid privileged class. Since neither capitalism nor socialism could "automatically" realize freedom and equality, Europeans lost faith in both systems. Simultaneously, they lost faith in freedom and equality themselves. Throughout European history, people sought freedom and equality in different social domains. In the 19th century, people projected their pursuit of freedom and equality onto the economic sphere. The industrial realities of the 20th century, along with the Great Depression and war, shattered these hopes. People didn't know where else to look for freedom and equality. The emerging totalitarianism offered a subversive answer: freedom and equality aren't worth pursuing; race and the leader are the true beliefs. Why did totalitarianism reject the promise of power legitimacy? One reason was that political power abandoned its responsibility to European core beliefs. Another reason came from the new realities of industrial society. Drucker held a lifelong view: the key distinction between industrial society and 19th-century commercial society was the separation of ownership and management. The role of capitalists was no longer important. Those who truly dominated the social industrial sphere were corporate managers and executives. These people effectively held decisive power but had not gained political and social status matching their power. When a class's power and political status don't match, it doesn't know how to properly use its power. Drucker believed this was a problem all industrial societies must solve. Totalitarianism keenly perceived this issue. The Nazis maintained property rights for business owners but brought the management of factories and companies under government control. This way, social power and political power became unified. This unified power was no longer restricted or regulated—it became the rule itself. Why could totalitarianism make the masses believe absurd things? Because Europeans had nothing left to believe in. Each individual can only understand society and their own life when they have status and function. Those thrown out of normal life by the Great Depression and war lost their status and function. For them, society was a desperate dark jungle. Even those who temporarily kept their jobs didn't know the meaning of their current life. The Nazi system could provide a sense of meaning in this vacuum of meaning—though false, it was timely. Using the wartime economic system, the Nazis created stable employment in a short time. In the Nazi industrial system, both business owners and workers were exploited. But outside the industrial production system, Nazis created various revolutionary organizations and movements. In those organizations and movements, poor workers became leaders, while business owners and professors became servants. In the hysterical revolutionary fervor, people regained status and function. Economic interests were no longer important, freedom and equality were no longer important; being involved in the revolution (status) and dying for it (function) became life's meaning. The Nazis replaced the calm and shrewd "Economic Man" with the hysterical "Heroic Man." Though absurd, this new concept of humanity had appeal. What people needed was not rationality but a sense of meaning that could temporarily fill the void. Those theorists who despised totalitarianism only emphasized its evil. Drucker, however, emphasized its appeal. He viewed totalitarianism as one solution to the crisis of industrial society. From 19th-century commercial society to 20th-century industrial society, the reality of society changed dramatically. 19th-century ideas, institutions, and habits could not solve 20th-century problems. Capitalism could not fulfill its promises about freedom and equality, and neither could Marxism. It was at this point that totalitarianism emerged. Nazism and Fascism attempted to build a new society in a way completely different from European civilization. Drucker said the real danger was not that they couldn't succeed, but that they almost did. They addressed the relationship between political power and social power, proposed alternative beliefs to freedom and equality (though only negative ones), and on this basis provided social members with new status and function. The war against totalitarianism cannot be waged merely through contempt. Defeating totalitarianism is not just a battlefield matter. Those who hate totalitarianism and love freedom must find better solutions than totalitarianism to build a normally functioning and free industrial society. Totalitarianism gave wrong and evil answers. But they at least asked the right questions. Industrial society must address several issues: the legitimacy of power (government power and social power), individual status and function, and society's basic beliefs. These issues became the fundamental threads in Drucker's exploration of industrial society reconstruction in The Future of Industrial Man. The Future of Industrial Man: From Totalitarian Diagnosis to General Social Theory Both The End of Economic Man and The Future of Industrial Man feature the prose style of 19th-century historians. Even today, readers can appreciate the author's profound historical knowledge and wise historical commentary. 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