Publishers Cambridge University Press

Cover for Susan M. Martin · Palm Oil and Protest: An Economic History of the Ngwa Region, South-Eastern Nigeria, 1800–1980 - African Studies (Paperback Book) (2006)

Palm Oil and Protest: An Economi... (2006)

Susan M. Martin

Cover for Jondorf, Gillian (University of Cambridge) · French Renaissance Tragedy: The Dramatic Word - Cambridge Studies in French (Paperback Book) (2006)

French Renaissance Tragedy: The ... (2006)

Jondorf, Gillian (University of ...

Cover for Evans, Margery A. (University of Warwick) · Baudelaire and Intertextuality: Poetry at the Crossroads - Cambridge Studies in French (Paperback Book) (2006)

Baudelaire and Intertextuality: ... (2006)

Evans, Margery A. (University of...

Cover for Gitta Hammarberg · From the Idyll to the Novel: Karamzin's Sentimentalist Prose - Cambridge Studies in Russian Literature (Paperback Book) (2006)

From the Idyll to the Novel: Kar... (2006)

Gitta Hammarberg

Cover for Flitter, Derek (University of Birmingham) · Spanish Romantic Literary Theory and Criticism - Cambridge Studies in Latin American and Iberian Literature (Paperback Book) (2006)

Spanish Romantic Literary Theory... (2006)

Flitter, Derek (University of Bi...

Cover for Jerry C. Nash · The Love Aesthetics of Maurice Sceve: Poetry and Struggle - Cambridge Studies in French (Paperback Book) (2006)

The Love Aesthetics of Maurice S... (2006)

Cover for Gillespie, Charles Guy (University of Wisconsin, Madison) · Negotiating Democracy: Politicians and Generals in Uruguay - Cambridge Latin American Studies (Paperback Book) (2006)

Negotiating Democracy: Politicia... (2006)

Gillespie, Charles Guy (Universi...

Cover for Hutchinson, Peter (University of Cambridge) · Stefan Heym: The Perpetual Dissident - Cambridge Studies in German (Paperback Book) (2006)

Stefan Heym: The Perpetual Dissi... (2006)

Hutchinson, Peter (University of...

Cover for Graham, B. D. (University of Sussex) · Choice and Democratic Order: The French Socialist Party, 1937–1950 (Paperback Book) (2006)

Choice and Democratic Order: The... (2006)

Graham, B. D. (University of Sus...

Cover for Still, Judith (University of Nottingham) · Justice and Difference in the Works of Rousseau: Bienfaisance and Pudeur - Cambridge Studies in French (Paperback Book) (2006)

Justice and Difference in the Wo... (2006)

Still, Judith (University of Not...

Cover for Ian Higgins · Swift's Politics: A Study in Disaffection - Cambridge Studies in Eighteenth-Century English Literature and Thought (Paperback Book) (2006)

Swift's Politics: A Study in Dis... (2006)

Cover for Goldstein, Darra (Williams College, Massachusetts) · Nikolai Zabolotsky: Play for Mortal Stakes - Cambridge Studies in Russian Literature (Paperback Book) (2006)

Nikolai Zabolotsky: Play for Mor... (2006)

Goldstein, Darra (Williams Colle...

Cover for Morgan, Lynn M. (Mount Holyoke College, Massachusetts) · Community Participation in Health: The Politics of Primary Care in Costa Rica - Cambridge Studies in Medical Anthropology (Paperback Book) (2006)

Community Participation in Healt... (2006)

Morgan, Lynn M. (Mount Holyoke C...

Cover for Gillespie, David (University of Bath) · Iurii Trifonov: Unity through Time - Cambridge Studies in Russian Literature (Paperback Book) (2006)

Iurii Trifonov: Unity through Ti... (2006)

Gillespie, David (University of ...

Cover for Denby, David J. (Dublin City University) · Sentimental Narrative and the Social Order in France, 1760–1820 - Cambridge Studies in French (Paperback Book) (2006)

Sentimental Narrative and the So... (2006)

Denby, David J. (Dublin City Uni...

Cover for Ellen, Roy (University of Kent, Canterbury) · The Cultural Relations of Classification: An Analysis of Nuaulu Animal Categories from Central Seram - Cambridge Studies in Social and Cultural Anthropology (Paperback Book) (2006)

The Cultural Relations of Classi... (2006)

Ellen, Roy (University of Kent, ...

Cover for Pickering, Mary (Pace University, New York) · Auguste Comte: Volume 1: An Intellectual Biography - Auguste Comte Intellectual Biography (Paperback Book) (2006)

Auguste Comte: Volume 1: An Inte... (2006)

Pickering, Mary (Pace University...

Cover for Abramson, Glenda (University of Oxford) · Drama and Ideology in Modern Israel (Paperback Book) (2006)

Drama and Ideology in Modern Israel (2006)

Abramson, Glenda (University of ...

Cover for Stokes, Raymond G. (University of Glasgow) · Opting for Oil: The Political Economy of Technological Change in the West German Industry, 1945–1961 (Paperback Book) (2006)

Opting for Oil: The Political Ec... (2006)

Stokes, Raymond G. (University o...

Cover for Rasmussen, Susan J. (University of Houston) · Spirit Possession and Personhood among the Kel Ewey Tuareg - Cambridge Studies in Social and Cultural Anthropology (Paperback Book) (2006)

Spirit Possession and Personhood... (2006)

Rasmussen, Susan J. (University ...

Cover for Hughes, Edward J. (Royal Holloway, University of London) · Writing Marginality in Modern French Literature: From Loti to Genet - Cambridge Studies in French (Paperback Book) (2006)

Writing Marginality in Modern Fr... (2006)

Hughes, Edward J. (Royal Hollowa...

Cover for Dine, Janet (University of Essex) · The Governance of Corporate Groups - Cambridge Studies in Corporate Law (Paperback Book) (2006)

The Governance of Corporate Grou... (2006)

Dine, Janet (University of Essex)

Cover for Fung, Edmund S. K. (University of Western Sydney Nepean) · In Search of Chinese Democracy: Civil Opposition in Nationalist China, 1929–1949 - Cambridge Modern China Series (Paperback Book) (2006)

In Search of Chinese Democracy: ... (2006)

Fung, Edmund S. K. (University o...

Cover for Cowling, Maurice (Jesus College, Cambridge) · The Nature and Limits of Political Science (Paperback Book) (2006)

The Nature and Limits of Politic... (2006)

Cowling, Maurice (Jesus College,...

Cover for Gordon L. Clark · Unions and Communities under Siege: American Communities and the Crisis of Organized Labor - Cambridge Human Geography (Paperback Book) (2006)

Unions and Communities under Sie... (2006)

Gordon L. Clark

Cover for Ogilvie, Sheilagh C. (University of Cambridge) · State Corporatism and Proto-Industry: The Wurttemberg Black Forest, 1580–1797 - Cambridge Studies in Population, Economy and Society in Past Time (Paperback Book) (2006)

State Corporatism and Proto-Indu... (2006)

Ogilvie, Sheilagh C. (University...

Kings, Barons and Justices: The ... (2006)

Brand, Paul (All Souls College, ...

Cover for Silver, Harold (Pennsylvania State University) · An Educational War on Poverty: American and British Policy-making 1960–1980 (Paperback Book) (2006)

An Educational War on Poverty: A... (2006)

Silver, Harold (Pennsylvania Sta...

Cover for Nussenzveig, H. M. (Universidade do Estado do Rio de Janeiro) · Diffraction Effects in Semiclassical Scattering - Montroll Memorial Lecture Series in Mathematical Physics (Paperback Book) (2006)

Diffraction Effects in Semiclass... (2006)

Nussenzveig, H. M. (Universidade...

Cover for Islam, Mohammed N. (AT&T Bell Laboratories, New Jersey) · Ultrafast Fiber Switching Devices and Systems - Cambridge Studies in Modern Optics (Paperback Book) (2006)

Ultrafast Fiber Switching Device... (2006)

Islam, Mohammed N. (AT&T Bell La...

Cover for Kagan, Boris A. (P. P. Shirshov Institute of Oceanology, Moscow) · Ocean Atmosphere Interaction and Climate Modeling - Cambridge Atmospheric and Space Science Series (Paperback Book) (2006)

Ocean Atmosphere Interaction and... (2006)

Kagan, Boris A. (P. P. Shirshov ...

Cover for Bagnall, Roger S. (Columbia University, New York) · The Demography of Roman Egypt - Cambridge Studies in Population, Economy and Society in Past Time (Paperback Book) (2006)

The Demography of Roman Egypt - ... (2006)

Bagnall, Roger S. (Columbia Univ...

Cover for Lund, Roger D, Professor · The Margins of Orthodoxy: Heterodox Writing and Cultural Response, 1660–1750 (Paperback Book) (2006)

The Margins of Orthodoxy: Hetero... (2006)

Lund, Roger D, Professor

Cover for Sicher, Efraim (Ben-Gurion University of the Negev, Israel) · Jews in Russian Literature after the October Revolution: Writers and Artists between Hope and Apostasy - Cambridge Studies in Russian Literature (Paperback Book) (2006)

Jews in Russian Literature after... (2006)

Sicher, Efraim (Ben-Gurion Unive...

Cover for Blair A. Ruble · Money Sings: The Changing Politics of Urban Space in Post-Soviet Yaroslavl - Woodrow Wilson Center Press (Paperback Book) (2006)

Money Sings: The Changing Politi... (2006)

Cover for Hand, Sean (Oxford Brookes University) · Michel Leiris: Writing the Self - Cambridge Studies in French (Paperback Book) (2006)

Michel Leiris: Writing the Self ... (2006)

Hand, Sean (Oxford Brookes Unive...

Cover for Colin Haydon · Robespierre (Paperback Book) (2006)

Robespierre (2006)

Cover for Young, John (Addis Ababa University) · Peasant Revolution in Ethiopia: The Tigray People's Liberation Front, 1975–1991 - African Studies (Paperback Book) (2006)

Peasant Revolution in Ethiopia: ... (2006)

Young, John (Addis Ababa Univers...

Cover for Jan Walleczek · Self-Organized Biological Dynamics and Nonlinear Control: Toward Understanding Complexity, Chaos and Emergent Function in Living Systems (Paperback Book) (2006)

Self-Organized Biological Dynami... (2006)

Cover for Gillian Russell · Romantic Sociability: Social Networks and Literary Culture in Britain, 1770–1840 (Paperback Book) (2006)

Romantic Sociability: Social Net... (2006)

Gillian Russell

Cover for Packard, Jerome L. (University of Illinois, Urbana-Champaign) · The Morphology of Chinese: A Linguistic and Cognitive Approach (Paperback Book) (2006)

The Morphology of Chinese: A Lin... (2006)

Packard, Jerome L. (University o...

Cover for Berstein, Serge (Institut d'Etudes Politiques, Paris) · The Republic of de Gaulle 1958–1969 - The Cambridge History of Modern France (Paperback Book) (2006)

The Republic of de Gaulle 1958–1... (2006)

Berstein, Serge (Institut d'Etud...

Cover for Chapelle, Carol A. (Iowa State University) · Assessing Language through Computer Technology - Cambridge Language Assessment (Paperback Book) (2006)

Assessing Language through Compu... (2006)

Chapelle, Carol A. (Iowa State U...

Cover for Thomas Christensen · The Cambridge History of Western Music Theory - The Cambridge History of Music (Paperback Book) (2006)

The Cambridge History of Western... (2006)

Thomas Christensen

Cover for Nott, Jonathan (James Cook University, North Queensland) · Extreme Events: A Physical Reconstruction and Risk Assessment (Hardcover Book) (2006)

Extreme Events: A Physical Recon... (2006)

Nott, Jonathan (James Cook Unive...

Cover for Marc Oxenham · Bioarchaeology of Southeast Asia - Cambridge Studies in Biological and Evolutionary Anthropology (Hardcover Book) (2006)

Bioarchaeology of Southeast Asia... (2006)

Cover for Johnson, Katie N. (Miami University) · Sisters in Sin: Brothel Drama in America, 1900–1920 - Cambridge Studies in American Theatre and Drama (Hardcover Book) (2006)

Sisters in Sin: Brothel Drama in... (2006)

Johnson, Katie N. (Miami Univers...

Cover for Zeeman, Nicolette (University of Cambridge) · 'Piers Plowman' and the Medieval Discourse of Desire - Cambridge Studies in Medieval Literature (Hardcover Book) (2006)

'Piers Plowman' and the Medieval... (2006)

Zeeman, Nicolette (University of...

Cover for Ben-Menahem, Yemima (Hebrew University of Jerusalem) · Conventionalism: From Poincare to Quine (Hardcover Book) (2006)

Conventionalism: From Poincare t... (2006)

Ben-Menahem, Yemima (Hebrew Univ...

Cover for Rogers, Reuel R. (Northwestern University, Illinois) · Afro-Caribbean Immigrants and the Politics of Incorporation: Ethnicity, Exception, or Exit (Paperback Book) (2006)

Afro-Caribbean Immigrants and th... (2006)

Rogers, Reuel R. (Northwestern U...

Cover for Smyth, Regina (Pennsylvania State University) · Candidate Strategies and Electoral Competition in the Russian Federation: Democracy without Foundation - Cambridge Studies in Comparative Politics (Hardcover Book) (2006)

Candidate Strategies and Elector... (2006)

Smyth, Regina (Pennsylvania Stat...

Cover for Gabriele Vom Bruck · An Anthropology of Names and Naming (Hardcover Book) (2006)

An Anthropology of Names and Naming (2006)

Gabriele Vom Bruck

Cover for Dillon, Sheila (Duke University, North Carolina) · Ancient Greek Portrait Sculpture: Contexts, Subjects, and Styles (Hardcover Book) (2006)

Ancient Greek Portrait Sculpture... (2006)

Dillon, Sheila (Duke University,...

Cover for Andersen, Hanne (University of Copenhagen) · The Cognitive Structure of Scientific Revolutions (Hardcover Book) (2006)

The Cognitive Structure of Scien... (2006)

Andersen, Hanne (University of C...

Cover for Domino, George (University of Arizona) · Psychological Testing: An Introduction (Hardcover Book) [2 Revised edition] (2006)

2 Revised edition

Psychological Testing: An Introd... (2006)

Domino, George (University of Ar...

Cover for John R. Nolon · Compendium of Land Use Laws for Sustainable Development - IUCN Academy of Environmental Law Research Studies (Hardcover Book) (2006)

Compendium of Land Use Laws for ... (2006)

Cover for Krishnamurti, Bhadriraju (University of Hyderabad, India) · The Dravidian Languages - Cambridge Language Surveys (Paperback Book) (2006)

The Dravidian Languages - Cambri... (2006)

Krishnamurti, Bhadriraju (Univer...

Cover for Duncan Forbes · The Liberal Anglican Idea of History (Paperback Book) (2006)

The Liberal Anglican Idea of His... (2006)

Cover for Bronislaw Geremek · The Margins of Society in Late Medieval Paris - Past and Present Publications (Paperback Book) (2006)

The Margins of Society in Late M... (2006)

Bronislaw Geremek

Cover for Rudolf P. Botha · Form and Meaning in Word Formation: A Study of Afrikaans Reduplication - Cambridge Studies in Linguistics (Paperback Book) (2006)

Form and Meaning in Word Formati... (2006)

Rudolf P. Botha

Cover for Ryuzo Sato · Beyond Trade Friction: Japan-US Economic Relations (Paperback Book) (2006)

Beyond Trade Friction: Japan-US ... (2006)

Cover for Littlewood, Roland (University College London) · Pathology and Identity: The Work of Mother Earth in Trinidad - Cambridge Studies in Social and Cultural Anthropology (Paperback Book) (2006)

Pathology and Identity: The Work... (2006)

Littlewood, Roland (University C...

Cover for Lars Jonung · The Stockholm School of Economics Revisited - Historical Perspectives on Modern Economics (Paperback Book) (2006)

The Stockholm School of Economic... (2006)

Cover for Galt, Anthony H. (University of Wisconsin, Green Bay) · Far from the Church Bells: Settlement and Society in an Apulian Town (Paperback Book) (2006)

Far from the Church Bells: Settl... (2006)

Galt, Anthony H. (University of ...

Cover for Wooldridge, Adrian (All Souls College, Oxford) · Measuring the Mind: Education and Psychology in England c.1860–c.1990 (Paperback Book) (2006)

Measuring the Mind: Education an... (2006)

Wooldridge, Adrian (All Souls Co...

Cover for Pat Rogers · Essays on Pope (Paperback Book) (2006)

Essays on Pope (2006)

Cover for Mason, Roger A, Professor · Scots and Britons: Scottish Political Thought and the Union of 1603 (Paperback Book) (2006)

Scots and Britons: Scottish Poli... (2006)

Mason, Roger A, Professor

Cover for William a Barnett · Social Choice, Welfare, and Ethics: Proceedings of the Eighth International Symposium in Economic Theory and Econometrics - International Symposia in Economic Theory and Econometrics (Paperback Book) (2006)

Social Choice, Welfare, and Ethi... (2006)

William a Barnett

Cover for X. L. Ding · The Decline of Communism in China: Legitimacy Crisis, 1977–1989 (Paperback Book) (2006)

The Decline of Communism in Chin... (2006)

Cover for Henry Geitz · German Influences on Education in the United States to 1917 - Publications of the German Historical Institute (Paperback Book) [Paperback edition] (2006)

Paperback edition

German Influences on Education i... (2006)

Cover for Lang, Timothy (Dickinson College, Pennsylvania) · The Victorians and the Stuart Heritage: Interpretations of a Discordant Past (Paperback Book) (2006)

The Victorians and the Stuart He... (2006)

Lang, Timothy (Dickinson College...

Cover for Ryan-Hayes, Karen L. (University of Virginia) · Contemporary Russian Satire: A Genre Study - Cambridge Studies in Russian Literature (Paperback Book) (2006)

Contemporary Russian Satire: A G... (2006)

Ryan-Hayes, Karen L. (University...

Cover for Seifert, Lewis C. (Brown University, Rhode Island) · Fairy Tales, Sexuality, and Gender in France, 1690–1715: Nostalgic Utopias - Cambridge Studies in French (Paperback Book) (2006)

Fairy Tales, Sexuality, and Gend... (2006)

Seifert, Lewis C. (Brown Univers...

Cover for Chris B Mccully · English Historical Metrics (Paperback Book) (2006)

English Historical Metrics (2006)

Chris B Mccully

Cover for Whiting, Richard (University of Leeds) · The Labour Party and Taxation: Party Identity and Political Purpose in Twentieth-Century Britain (Paperback Book) (2006)

The Labour Party and Taxation: P... (2006)

Whiting, Richard (University of ...

Cover for Bethin, Christina Y. (State University of New York) · Slavic Prosody: Language Change and Phonological Theory - Cambridge Studies in Linguistics (Paperback Book) (2006)

Slavic Prosody: Language Change ... (2006)

Bethin, Christina Y. (State Univ...

Cover for Patterson, Annabel (Yale University, Connecticut) · Early Modern Liberalism - Ideas in Context (Paperback Book) (2006)

Early Modern Liberalism - Ideas ... (2006)

Patterson, Annabel (Yale Univers...

Cover for Manfred F Boemeke · Anticipating Total War: The German and American Experiences, 1871–1914 - Publications of the German Historical Institute (Paperback Book) (2006)

Anticipating Total War: The Germ... (2006)

Manfred F Boemeke

Cover for Howard, Thomas Albert (Gordon College, Massachusetts) · Religion and the Rise of Historicism: W. M. L. de Wette, Jacob Burckhardt, and the Theological Origins of Nineteenth-Century Historical Consciousness (Paperback Book) (2006)

Religion and the Rise of Histori... (2006)

Howard, Thomas Albert (Gordon Co...

Cover for Schramm, Jan-Melissa (Lucy Cavendish College, Cambridge) · Testimony and Advocacy in Victorian Law, Literature, and Theology - Cambridge Studies in Nineteenth-Century Literature and Culture (Paperback Book) (2006)

Testimony and Advocacy in Victor... (2006)

Schramm, Jan-Melissa (Lucy Caven...

Cover for Verhey, Jeffrey (Friedrich Ebert Institute, Bonn) · The Spirit of 1914: Militarism, Myth, and Mobilization in Germany - Studies in the Social and Cultural History of Modern Warfare (Paperback Book) (2006)

The Spirit of 1914: Militarism, ... (2006)

Verhey, Jeffrey (Friedrich Ebert...

Cover for Roger Chickering · Great War, Total War: Combat and Mobilization on the Western Front, 1914–1918 - Publications of the German Historical Institute (Paperback Book) (2006)

Great War, Total War: Combat and... (2006)

Roger Chickering

Cover for Maddox, Donald (University of Massachusetts, Amherst) · Fictions of Identity in Medieval France - Cambridge Studies in Medieval Literature (Paperback Book) (2006)

Fictions of Identity in Medieval... (2006)

Maddox, Donald (University of Ma...

Cover for Elizabeth Glaser · Bridging the Atlantic: The Question of American Exceptionalism in Perspective - Publications of the German Historical Institute (Paperback Book) (2006)

Bridging the Atlantic: The Quest... (2006)

Elizabeth Glaser

Cover for Dolan, Anne (Trinity College, Dublin) · Commemorating the Irish Civil War: History and Memory, 1923–2000 - Studies in the Social and Cultural History of Modern Warfare (Paperback Book) (2006)

Commemorating the Irish Civil Wa... (2006)

Dolan, Anne (Trinity College, Du...

Cover for Weithman, Paul J. (University of Notre Dame, Indiana) · Religion and the Obligations of Citizenship (Paperback Book) (2006)

Religion and the Obligations of ... (2006)

Weithman, Paul J. (University of...

Cover for Richard B. Allen · Slaves, Freedmen and Indentured Laborers in Colonial Mauritius - African Studies (Paperback Book) (2006)

Slaves, Freedmen and Indentured ... (2006)

Richard B. Allen

Cover for Manfred F Boemeke · The Treaty of Versailles: A Reassessment after 75 Years - Publications of the German Historical Institute (Paperback Book) (2006)

The Treaty of Versailles: A Reas... (2006)

Manfred F Boemeke

Cover for Ping Li · The Handbook of East Asian Psycholinguistics: Volume 1, Chinese (Hardcover Book) (2006)

The Handbook of East Asian Psych... (2006)

Cover for Michael I. Mishchenko · Multiple Scattering of Light by Particles: Radiative Transfer and Coherent Backscattering (Hardcover Book) (2006)

Multiple Scattering of Light by ... (2006)

Michael I. Mishchenko

Cover for DiSalle, Robert (University of Western Ontario) · Understanding Space-Time: The Philosophical Development of Physics from Newton to Einstein (Hardcover Book) (2006)

Understanding Space-Time: The Ph... (2006)

DiSalle, Robert (University of W...

Cover for Perry, Ruth (Massachusetts Institute of Technology) · Novel Relations: The Transformation of Kinship in English Literature and Culture, 1748–1818 (Paperback Book) (2006)

Novel Relations: The Transformat... (2006)

Perry, Ruth (Massachusetts Insti...

Cover for Lyster, Rosemary (University of Sydney) · Energy Law and the Environment (Paperback Book) (2006)

Energy Law and the Environment (2006)

Lyster, Rosemary (University of ...

Cover for Nauert, Charles G. (University of Missouri, Columbia) · Humanism and the Culture of Renaissance Europe - New Approaches to European History (Paperback Book) [Updated edition] (2006)

Updated edition

Humanism and the Culture of Rena... (2006)

Nauert, Charles G. (University o...

Cover for Reynolds, C. S. (Centre for Ecology and Hydrology, Lancaster) · The Ecology of Phytoplankton - Ecology, Biodiversity and Conservation (Paperback Book) (2006)

The Ecology of Phytoplankton - E... (2006)

Reynolds, C. S. (Centre for Ecol...

Cover for Social Performance: Symbolic Action, Cultural Pragmatics, and Ritual - Cambridge Cultural Social Studies (Paperback Book) (2006)

Social Performance: Symbolic Act... (2006)

Cover for Albert Derolez · The Palaeography of Gothic Manuscript Books: From the Twelfth to the Early Sixteenth Century - Cambridge Studies in Palaeography and Codicology (Paperback Book) (2006)

The Palaeography of Gothic Manus... (2006)

Cover for Frohlich, Cliff (University of Texas, Austin) · Deep Earthquakes (Hardcover Book) (2006)

Deep Earthquakes (2006)

Frohlich, Cliff (University of T...

Cover for Nauert, Charles G. (University of Missouri, Columbia) · Humanism and the Culture of Renaissance Europe - New Approaches to European History (Hardcover Book) [Updated edition] (2006)

Updated edition

Humanism and the Culture of Rena... (2006)

Nauert, Charles G. (University o...

Cover for Geoffrey Michael Gadd · Fungi in Biogeochemical Cycles - British Mycological Society Symposia (Hardcover Book) (2006)

Fungi in Biogeochemical Cycles -... (2006)

Geoffrey Michael Gadd