Publishers MIT Press Ltd

Cover for Vaclav Smil · Energy and Civilization: A History - Energy and Civilization (Paperback Book) (2018)

Energy and Civilization: A Histo... (2018)

Cover for Springer · Fantasies of the Library - The MIT Press (Paperback Book) (2018)

Fantasies of the Library - The M... (2018)

Cover for Building the Intentional University: Minerva and the Future of Higher Education - The MIT Press (Paperback Book) (2018)

Building the Intentional Univers... (2018)

Cover for Sumantran, Venkat (Chairman, Celeris Technologies) · Faster, Smarter, Greener: The Future of the Car and Urban Mobility - The MIT Press (Paperback Book) (2018)

Faster, Smarter, Greener: The Fu... (2018)

Sumantran, Venkat (Chairman, Cel...

Cover for Vickery, Jacqueline Ryan (Associate Professor, The University of North Texas) · Worried About the Wrong Things: Youth, Risk, and Opportunity in the Digital World - Worried About the Wrong Things (Paperback Book) (2018)

Worried About the Wrong Things: ... (2018)

Vickery, Jacqueline Ryan (Associ...

Cover for Xu, Bing (Xu Bing Studio) · Book from the Ground: from point to point - Book from the Ground (Paperback Book) (2018)

Book from the Ground: from point... (2018)

Xu, Bing (Xu Bing Studio)

Cover for Global Environmental Governance and the Accountability Trap - Earth System Governance (Paperback Book) (2019)

Global Environmental Governance ... (2019)

Cover for Martin Paul Eve · Reassembling Scholarly Communications (Paperback Book) (2020)

Reassembling Scholarly Communica... (2020)

Martin Paul Eve

Cover for Development of Linguistic Linked Open Data Resources for Collaborative Data-Intensive Research in the Language Sciences - The MIT Press (Paperback Book) (2020)

Development of Linguistic Linked... (2020)

Cover for Menon, Rajan (Anne and Bernard Spitzer Professor of Political Science, City College of New York) · Conflict in Ukraine: The Unwinding of the Post–Cold War Order - Conflict in Ukraine (Paperback Book) (2015)

Conflict in Ukraine: The Unwindi... (2015)

Menon, Rajan (Anne and Bernard S...

Cover for Tennekes, Henk (Emeritus Professor of Aeronautical Engineering) · A First Course in Turbulence - The MIT Press (Paperback Book) (2018)

A First Course in Turbulence - T... (2018)

Tennekes, Henk (Emeritus Profess...

Cover for Fleming, James Rodger (Charles A. Dana Professor of Science, Technology, and Society, Colby College) · Inventing Atmospheric Science: Bjerknes, Rossby, Wexler, and the Foundations of Modern Meteorology - Inventing Atmospheric Science (Paperback Book) (2016)

Inventing Atmospheric Science: B... (2016)

Fleming, James Rodger (Charles A...

Cover for Neufeld, Michael J. (Senior Curator, Smithsonian National Air and Space Museum) · Spaceflight: A Concise History - Spaceflight (Paperback Book) (2018)

Spaceflight: A Concise History -... (2018)

Neufeld, Michael J. (Senior Cura...

Cover for Lin · Alice and Bob Meet the Wall of Fire: A Collection of the Best Quanta Science Stories - Alice and Bob Meet the Wall of Fire (Paperback Book) (2018)

Alice and Bob Meet the Wall of F... (2018)

Cover for Lin · The Prime Number Conspiracy: A Collection of the Best Quanta Math Stories - The Prime Number Conspiracy (Paperback Book) (2018)

The Prime Number Conspiracy: A C... (2018)

Cover for JPat Brown · Writers Under Surveillance: The FBI Files - Writers Under Surveillance (Paperback Book) (2018)

Writers Under Surveillance: The ... (2018)

Cover for Moshe Ben-Akiva · Discrete Choice Analysis: Theory and Application to Travel Demand - Transportation Studies (Paperback Book) (2018)

Discrete Choice Analysis: Theory... (2018)

Moshe Ben-Akiva

Cover for Burdet, Etienne (Professor , Imperial College London) · Human Robotics: Neuromechanics and Motor Control - The MIT Press (Paperback Book) (2018)

Human Robotics: Neuromechanics a... (2018)

Burdet, Etienne (Professor , Imp...

Cover for Friedman, Daniel P. (Professor, Indiana University) · The Little Typer - The MIT Press (Paperback Book) (2018)

The Little Typer - The MIT Press (2018)

Friedman, Daniel P. (Professor, ...

Cover for Linda Dalrymple Henderson · The Fourth Dimension and Non-Euclidean Geometry in Modern Art - Leonardo (Paperback Book) [Revised edition] (2018)

Revised edition

The Fourth Dimension and Non-Euc... (2018)

Linda Dalrymple Henderson

Cover for Denning, Peter J. (Distinguished Professor / Chair of Computer Science) · Computational Thinking - MIT Press Essential Knowledge series (Paperback Book) (2019)

Computational Thinking - MIT Pre... (2019)

Denning, Peter J. (Distinguished...

Cover for Schoelkopf, Bernhard (Director of the Max Planck Institute for Intelligent in Tubingen, Germany, Professor for Machine Lea, Max Planck Institute for Intelligent Systems) · Learning with Kernels: Support Vector Machines, Regularization, Optimization, and Beyond - Adaptive Computation and Machine Learning series (Paperback Book) (2018)

Learning with Kernels: Support V... (2018)

Schoelkopf, Bernhard (Director o...

Cover for Amborn, Hermann (Prof. Dr., Ludwig-Maximilians-Universitat Munchen) · Law as Refuge of Anarchy: Societies without Hegemony or State - Untimely Meditations (Paperback Book) (2019)

Law as Refuge of Anarchy: Societ... (2019)

Amborn, Hermann (Prof. Dr., Ludw...

Cover for Parker, Linda A. (University of Guelph) · Cannabinoids and the Brain - The MIT Press (Paperback Book) (2018)

Cannabinoids and the Brain - The... (2018)

Parker, Linda A. (University of ...

Cover for Lawrence, J. L. (Chief Technology Officer, Solers, Inc.) · Celestial Calculations: A Gentle Introduction to Computational Astronomy - The MIT Press (Paperback Book) (2019)

Celestial Calculations: A Gentle... (2019)

Lawrence, J. L. (Chief Technolog...

Cover for Collins, Harry (Professor, Cardiff University) · Forms of Life: The Method and Meaning of Sociology - The MIT Press (Paperback Book) (2019)

Forms of Life: The Method and Me... (2019)

Collins, Harry (Professor, Cardi...

Cover for March 4: Scientists, Students, and Society - The MIT Press (Paperback Book) (2019)

March 4: Scientists, Students, a... (2019)

Cover for Andreas Weber · Enlivenment: Toward a Poetics for the Anthropocene - Untimely Meditations (Paperback Book) (2019)

Enlivenment: Toward a Poetics fo... (2019)

Cover for The Conceptual Mind: New Directions in the Study of Concepts - The MIT Press (Paperback Book) (2015)

The Conceptual Mind: New Directi... (2015)

Cover for Does America Need More Innovators? - Lemelson Center Studies in Invention and Innovation series (Paperback Book) (2019)

Does America Need More Innovator... (2019)

Cover for Souza, Rebecca T. de (Associate Professor, University of Minnesota, Duluth) · Feeding the Other: Whiteness, Privilege, and Neoliberal Stigma in Food Pantries - Food, Health, and the Environment (Paperback Book) (2019)

Feeding the Other: Whiteness, Pr... (2019)

Souza, Rebecca T. de (Associate ...

Cover for Downing, Keith L. (Professor of Artificial Intelligence, The Norwegian University of Science and Technology) · Intelligence Emerging: Adaptivity and Search in Evolving Neural Systems - The MIT Press (Paperback Book) (2015)

Intelligence Emerging: Adaptivit... (2015)

Downing, Keith L. (Professor of ...

Cover for Pauli, Benjamin J. (Assistant Professor, Kettering University) · Flint Fights Back: Environmental Justice and Democracy in the Flint Water Crisis - Urban and Industrial Environments (Paperback Book) (2019)

Flint Fights Back: Environmental... (2019)

Pauli, Benjamin J. (Assistant Pr...

Cover for Robinson, Mark Dennis (Assistant Professor, Creighton University) · The Market in Mind: How Financialization Is Shaping Neuroscience, Translational Medicine, and Innovation in Biotechnology - The MIT Press (Paperback Book) (2019)

The Market in Mind: How Financia... (2019)

Robinson, Mark Dennis (Assistant...

Cover for Farid, Hany (Professor of Computer Science, University of Califorinia, Berkeley) · Photo Forensics - The MIT Press (Paperback Book) (2019)

Photo Forensics - The MIT Press (2019)

Farid, Hany (Professor of Comput...

Cover for Broussard, Meredith (New York University) · Artificial Unintelligence: How Computers Misunderstand the World - The MIT Press (Paperback Book) (2019)

Artificial Unintelligence: How C... (2019)

Broussard, Meredith (New York Un...

Cover for Polizzotti, Mark (Publisher and Editor-in-Chief, The Metropolitan Museum of Art) · Sympathy for the Traitor: A Translation Manifesto - The MIT Press (Paperback Book) (2019)

Sympathy for the Traitor: A Tran... (2019)

Polizzotti, Mark (Publisher and ...

Cover for Pseudoscience: The Conspiracy Against Science - The MIT Press (Paperback Book) (2019)

Pseudoscience: The Conspiracy Ag... (2019)

Cover for Martel, Frederic (Journalist) · Global Gay: How Gay Culture Is Changing the World - The MIT Press (Paperback Book) (2019)

Global Gay: How Gay Culture Is C... (2019)

Martel, Frederic (Journalist)

Cover for Sivaram, Varun (Philip D. Reed Fellow for Science and Technology, Council on Foreign Relations) · Taming the Sun: Innovations to Harness Solar Energy and Power the Planet - The MIT Press (Paperback Book) (2019)

Taming the Sun: Innovations to H... (2019)

Sivaram, Varun (Philip D. Reed F...

Cover for Lomas, Tim (Professor, University of East London) · Translating Happiness: A Cross-Cultural Lexicon of Well-Being - The MIT Press (Paperback Book) (2019)

Translating Happiness: A Cross-C... (2019)

Lomas, Tim (Professor, Universit...

Cover for Samuel Jay Keyser · Mens et Mania: The MIT Nobody Knows - The MIT Press (Paperback Book) (2019)

Mens et Mania: The MIT Nobody Kn... (2019)

Samuel Jay Keyser

Cover for Halpern, Joseph Y. (Cornell University) · Actual Causality - The MIT Press (Paperback Book) (2019)

Actual Causality - The MIT Press (2019)

Halpern, Joseph Y. (Cornell Univ...

Cover for Grounding Urban Natures: Histories and Futures of Urban Ecologies - Urban and Industrial Environments (Paperback Book) (2019)

Grounding Urban Natures: Histori... (2019)

Cover for Gertz, Nolen (Assistant Professor of Applied Philosophy, University of Twente) · Nihilism - MIT Press Essential Knowledge series (Paperback Book) (2019)

Nihilism - MIT Press Essential K... (2019)

Gertz, Nolen (Assistant Professo...

Cover for Milena Popova · Sexual Consent - MIT Press Essential Knowledge series (Paperback Book) (2019)

Sexual Consent - MIT Press Essen... (2019)

Cover for Daston, Lorraine (Max Planck Institute for History of Science) · Against Nature - Untimely Meditations (Paperback Book) (2019)

Against Nature - Untimely Medita... (2019)

Daston, Lorraine (Max Planck Ins...

Cover for Lofland, Lyn H. (Professor Emerita, UC Davis) · The Craft of Dying: The Modern Face of Death - The MIT Press (Paperback Book) (2019)

The Craft of Dying: The Modern F... (2019)

Lofland, Lyn H. (Professor Emeri...

Cover for Marks, Laura U. (Simon Fraser University) · Enfoldment and Infinity: An Islamic Genealogy of New Media Art - Leonardo (Paperback Book) (2010)

Enfoldment and Infinity: An Isla... (2010)

Marks, Laura U. (Simon Fraser Un...

Cover for Huron, David (Ohio State University) · Voice Leading: The Science behind a Musical Art - The MIT Press (Paperback Book) (2016)

Voice Leading: The Science behin... (2016)

Huron, David (Ohio State Univers...

Cover for Schlombs, Corinna (Assistant Professor, Rochester Institute of Technology) · Productivity Machines: German Appropriations of American Technology from Mass Production to Computer Automation - History of Computing (Paperback Book) (2019)

Productivity Machines: German Ap... (2019)

Schlombs, Corinna (Assistant Pro...

Cover for Cohn, Julie A (University of Houston) · The Grid: Biography of an American Technology - The MIT Press (Paperback Book) (2017)

The Grid: Biography of an Americ... (2017)

Cohn, Julie A (University of Hou...

Cover for Carse, Ashley (Assistant Professor, Vanderbilt University) · Beyond the Big Ditch: Politics, Ecology, and Infrastructure at the Panama Canal - Infrastructures (Paperback Book) (2014)

Beyond the Big Ditch: Politics, ... (2014)

Carse, Ashley (Assistant Profess...

Cover for Pfeifer, Rolf (Professor of Computer Science and Director of the Artificial Intelligence Laboratory, University of Zurich) · How the Body Shapes the Way We Think: A New View of Intelligence - A Bradford Book (Paperback Book) (2006)

How the Body Shapes the Way We T... (2006)

Pfeifer, Rolf (Professor of Comp...

Cover for Making Futures: Marginal Notes on Innovation, Design, and Democracy - The MIT Press (Paperback Book) (2014)

Making Futures: Marginal Notes o... (2014)

Cover for Han, Byung-Chul (Professor, Universitat der Kunste Berlin) · Good Entertainment: A Deconstruction of the Western Passion Narrative - Untimely Meditations (Paperback Book) (2019)

Good Entertainment: A Deconstruc... (2019)

Han, Byung-Chul (Professor, Univ...

Cover for Ito, Mizuko (Professor in Residence at the University of California Humanities Research Institute) · Hanging Out, Messing Around, and Geeking Out: Kids Living and Learning with New Media (Paperback Book) [Tenth Anniversary edition] (2019)

Tenth Anniversary edition

Hanging Out, Messing Around, and... (2019)

Ito, Mizuko (Professor in Reside...

Cover for Samuel Greengard · Virtual Reality - MIT Press Essential Knowledge series (Paperback Book) (2019)

Virtual Reality - MIT Press Esse... (2019)

Samuel Greengard

Cover for Herbert A. Simon · The Sciences of the Artificial - The MIT Press (Paperback Book) (2019)

The Sciences of the Artificial -... (2019)

Herbert A. Simon

Cover for Goodman, Daniel (Director, Hertz Foundation) · Find Your Path: Unconventional Lessons from 36 Leading Scientists and Engineers - The MIT Press (Paperback Book) (2019)

Find Your Path: Unconventional L... (2019)

Goodman, Daniel (Director, Hertz...

Cover for Kelleher, John D. (Academic Leader of the Information, Communication, and Entertainment Research Institute, Technological University Dublin) · Deep Learning - MIT Press Essential Knowledge series (Paperback Book) (2019)

Deep Learning - MIT Press Essent... (2019)

Kelleher, John D. (Academic Lead...

Cover for Korfmacher, Katrina Smith (Associate Professor, University of Rochester) · Bridging Silos: Collaborating for Environmental Health and Justice in Urban Communities - Urban and Industrial Environments (Paperback Book) (2019)

Bridging Silos: Collaborating fo... (2019)

Korfmacher, Katrina Smith (Assoc...

Cover for Review, MIT Sloan Management (Paul Michelman) · Why Humans Matter More Than Ever - Digital Future of Management (Paperback Book) (2019)

Why Humans Matter More Than Ever... (2019)

Review, MIT Sloan Management (Pa...

Cover for Mavhunga, Clapperton Chakanetsa (Associate Professor, Massachusetts Institute of Technology) · Transient Workspaces: Technologies of Everyday Innovation in Zimbabwe - The MIT Press (Paperback Book) (2014)

Transient Workspaces: Technologi... (2014)

Mavhunga, Clapperton Chakanetsa ...

Cover for Santiago, Juan G. (Professor, Stanford University) · A First Course in Dimensional Analysis: Simplifying Complex Phenomena Using Physical Insight - The MIT Press (Paperback Book) (2019)

A First Course in Dimensional An... (2019)

Santiago, Juan G. (Professor, St...

Cover for Health and the Environment · Global Meat: Social and Environmental Consequences of the Expanding Meat Industry - Food, Health, and the Environment (Paperback Book) (2019)

Global Meat: Social and Environm... (2019)

Health and the Environment

Cover for Mailland, Julien (Indiana University - Bloomington) · Minitel: Welcome to the Internet - Platform Studies (Paperback Book) (2017)

Minitel: Welcome to the Internet... (2017)

Mailland, Julien (Indiana Univer...

Cover for Optimization for Machine Learning - Neural Information Processing series (Paperback Book) (2011)

Optimization for Machine Learnin... (2011)

Cover for Collins, Karen (Canada Research Chair, University of Waterloo) · Game Sound: An Introduction to the History, Theory, and Practice of Video Game Music and Sound Design - The MIT Press (Paperback Book) (2008)

Game Sound: An Introduction to t... (2008)

Collins, Karen (Canada Research ...

Cover for Devine, Kyle (Associate Professor of Popular Music, University of Oslo) · Decomposed: The Political Ecology of Music - The MIT Press (Paperback Book) (2019)

Decomposed: The Political Ecolog... (2019)

Devine, Kyle (Associate Professo...

Cover for Kochenov, Dimitry (Chair in EU Constitutional Law, University of Groningen) · Citizenship - MIT Press Essential Knowledge series (Paperback Book) (2019)

Citizenship - MIT Press Essentia... (2019)

Kochenov, Dimitry (Chair in EU C...

Cover for Aragon, Cecilia (University of Washington) · Writers in the Secret Garden: Fanfiction, Youth, and New Forms of Mentoring - Learning in Large-Scale Environments (Paperback Book) (2019)

Writers in the Secret Garden: Fa... (2019)

Aragon, Cecilia (University of W...

Cover for Jorgensen, Dolly (Professor, University of Stavanger) · Recovering Lost Species in the Modern Age: Histories of Longing and Belonging - History for a Sustainable Future (Paperback Book) (2019)

Recovering Lost Species in the M... (2019)

Jorgensen, Dolly (Professor, Uni...

Cover for Jørgensen, Finn Arne (Professor, University of Stavanger) · Recycling - MIT Press Essential Knowledge series (Paperback Book) (2019)

Recycling - MIT Press Essential ... (2019)

Jørgensen, Finn Arne (Professor,...

Cover for Wiener, Norbert (Massachusetts Institute of Technology) · Cybernetics or Control and Communication in the Animal and the Machine - The MIT Press (Paperback Book) (2019)

Cybernetics or Control and Commu... (2019)

Wiener, Norbert (Massachusetts I...

Cover for Issing, Otmar (President, Geothe University Frankfurt) · The Long Journey of Central Bank Communication (Paperback Book) (2019)

The Long Journey of Central Bank... (2019)

Issing, Otmar (President, Geothe...

Cover for Mackenzie, Adrian (Professor, Lancaster University) · Machine Learners: Archaeology of a Data Practice - The MIT Press (Paperback Book) (2017)

Machine Learners: Archaeology of... (2017)

Mackenzie, Adrian (Professor, La...

Cover for Allen, Ansgar (Lecturer, University of Sheffield) · Cynicism - MIT Press Essential Knowledge series (Paperback Book) (2020)

Cynicism - MIT Press Essential K... (2020)

Allen, Ansgar (Lecturer, Univers...

Cover for Hlavajova · Propositions for Non-Fascist Living: Tentative and Urgent - The MIT Press (Paperback Book) (2019)

Propositions for Non-Fascist Liv... (2019)

Cover for Jemielniak, Dariusz (Head, Center for Research on Organizations, Kozminski University) · Collaborative Society - MIT Press Essential Knowledge series (Paperback Book) (2020)

Collaborative Society - MIT Pres... (2020)

Jemielniak, Dariusz (Head, Cente...

Cover for Gaming the Metrics: Misconduct and Manipulation in Academic Research - Infrastructures (Paperback Book) (2020)

Gaming the Metrics: Misconduct a... (2020)

Cover for Demortain, David (Universite Paris-Est) · The Science of Bureaucracy: Risk Decision-Making and the US Environmental Protection Agency - Inside Technology (Paperback Book) (2020)

The Science of Bureaucracy: Risk... (2020)

Demortain, David (Universite Par...

Cover for Bollyky, Thomas J. (Senior Fellow for Global Health, Economics, and Development, Council on Foreign Relations) · Plagues and the Paradox of Progress: Why the World Is Getting Healthier in Worrisome Ways - The MIT Press (Paperback Book) (2019)

Plagues and the Paradox of Progr... (2019)

Bollyky, Thomas J. (Senior Fello...

Cover for Sean Gerrish · How Smart Machines Think - The MIT Press (Paperback Book) (2019)

How Smart Machines Think - The M... (2019)

Cover for Rosenberg, Alex (R. Taylor Cole Professor of Philosophy, Duke University) · How History Gets Things Wrong: The Neuroscience of Our Addiction to Stories - The MIT Press (Paperback Book) (2019)

How History Gets Things Wrong: T... (2019)

Rosenberg, Alex (R. Taylor Cole ...

Cover for Davenport, Thomas H. (Babson College) · The AI Advantage: How to Put the Artificial Intelligence Revolution to Work - Management on the Cutting Edge (Paperback Book) (2019)

The AI Advantage: How to Put the... (2019)

Davenport, Thomas H. (Babson Col...

Cover for Bandettini, Peter A. (Chief, National Institute of Mental Health) · Fmri - Mit Press Essential Knowledge Series (Paperback Book) (2020)

Fmri - Mit Press Essential Knowl... (2020)

Bandettini, Peter A. (Chief, Nat...

Cover for Shashi Shekhar · Spatial Computing - MIT Press Essential Knowledge series (Paperback Book) (2020)

Spatial Computing - MIT Press Es... (2020)

Cover for Halegoua, Germaine (Professor and Director of Undergraduate Studies, Kansas University) · Smart Cities - MIT Press Essential Knowledge series (Paperback Book) (2020)

Smart Cities - MIT Press Essenti... (2020)

Halegoua, Germaine (Professor an...

Cover for Peter B. Kaufman · The Moving Image: A User's Manual (Paperback Book) (2025)

The Moving Image: A User's Manual (2025)

Peter B. Kaufman

Cover for Joseph M. Jr Reagle · Wikipedia @ 20 (Paperback Book) (2020)

Wikipedia @ 20 (2020)

Joseph M. Jr Reagle

Cover for Nicolas Friederici · Digital Entrepreneurship in Africa: How a Continent Is Escaping Silicon Valley's Long Shadow (Paperback Book) (2020)

Digital Entrepreneurship in Afri... (2020)

Nicolas Friederici

Cover for Coeckelbergh, Mark (Professor of Philosophy of Media and Technology, University of Vienna) · AI Ethics - MIT Press Essential Knowledge series (Paperback Book) (2020)

AI Ethics - MIT Press Essential ... (2020)

Coeckelbergh, Mark (Professor of...

Cover for Dana Cuff · Urban Humanities: New Practices for Reimagining the City - Urban and Industrial Environments (Paperback Book) (2020)

Urban Humanities: New Practices ... (2020)

Cover for Penny, Simon (Professor of Arts and Engineering, Claire Trevor School of the Arts) · Making Sense: Cognition, Computing, Art, and Embodiment - Leonardo (Paperback Book) (2019)

Making Sense: Cognition, Computi... (2019)

Penny, Simon (Professor of Arts ...

Cover for Ito, Takatoshi (Professor, Columbia University) · The Japanese Economy - The MIT Press (Hardcover Book) [Second edition] (2020)

The Japanese Economy - The MIT P... (2020)

Ito, Takatoshi (Professor, Colum...

Cover for Kreuz, Roger (Associate Dean and Professor, University of Memphis) · Irony and Sarcasm - MIT Press Essential Knowledge series (Paperback Book) (2020)

Irony and Sarcasm - MIT Press Es... (2020)

Kreuz, Roger (Associate Dean and...

Cover for Haber, Jonathan (Educational Researcher, Degree of Freedom Project) · Critical Thinking - MIT Press Essential Knowledge series (Paperback Book) (2020)

Critical Thinking - MIT Press Es... (2020)

Haber, Jonathan (Educational Res...

Cover for Fake News: Understanding Media and Misinformation in the Digital Age - Information Policy (Paperback Book) (2020)

Fake News: Understanding Media a... (2020)

Cover for Mills, Melinda C. (Professor, University of Oxford) · An Introduction to Statistical Genetic Data Analysis - The MIT Press (Paperback Book) (2020)

An Introduction to Statistical G... (2020)

Mills, Melinda C. (Professor, Un...