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In the late 19^th and early 20^th century the effort to determine when humans first came to North America defined the emerging discipline of American archaeology. It did so not just because some of the best and brightest of several generations of archaeologists, glacial geologists, physical anthropologists and vertebrate paleontologists were attracted to it, though they were. Nor because they thought this was a significant problem, though they did. Rather, this problem loomed so large because it cut so deep into American archaeology's conceptual core, forcing the nascent field to confront haziness in its theories, methods and evidence, all while past time and everything that flowed from it vital to understanding the prehistory of North America was held hostage. This book explores the more than four decades of often bitter controversy surrounding that effort, and its resolution. It provides a richly-detailed narrative of the controversy using extensive published and previously untapped archival materials. These make it possible to explore how and why this controversy emerged and why it stubbornly resisted resolution for decades, and reveal the broader currents that fueled this controversy: among them, the fracturing of the American scientific community in its efforts to establish a more professional class, deep institutional rivalries, and intra- and inter-disciplinary distrust. Ultimately, the straightforward question being asked was answered once critical conceptual and factual gaps were closed. The resolution of the controversy in the fall of 1927 not only ended decades of ambiguity and acrimony, it forever changed the discipline of American archaeology.

Contested Knowledge argues that the structural coupling between science and media in the context of risk politics has led to the creation of a ‘scientific public sphere’ in the state of Kerala, India, and regional newspapers have become the most prominent site of public deliberation over science since the late 1990s. This new form of public engagement with science radically differed from its earlier form nurtured by the Kerala Sasthra Sahithya Parishad (KSSP), the largest people’s science movement in India. The book discusses this shift and the resultant transformations of the ‘scientific-citizen public’ of Kerala by examining three public controversies over science deliberated in the regional dailies in the early 2000s. Public deliberations during the controversies over clinical trials in the Regional Cancer Centre (RCC), Thiruvananthapuram, a series of micro-earthquakes and well collapses, and the strange phenomenon of coloured rain are analysed to understand how risks were perceived, knowledge claims were contested, disciplinary rigidities were dismantled and trust in science and the credibility of scientific institutions were re-negotiated. The book thus explores how the public contestation of knowledge staged by the mass media contributes to deepening democracy by re-instilling politics into science. Democratization of science under the agency of the scientific-citizen publics, the book suggests, is nonetheless limited as it fails to account for alternative forms of engagement offered by multiple publics. The book contends that the theory of deliberative democracy is inadequate to capture the multiplicity of public engagement with science.

Nuclear physics emerged as the dominant field in experimental and theoretical physics between 1919 and 1939, the two decades between the First and Second World Wars. Milestones were Ernest Rutherford’s discovery of artificial nuclear disintegration (1919), George Gamow’s and Ronald Gurney and Edward Condon’s simultaneous quantum-mechanical theory of alpha decay (1928), Harold Urey’s discovery of deuterium (the deuteron), James Chadwick’s discovery of the neutron, Carl Anderson’s discovery of the positron, John Cockcroft and Ernest Walton’s invention of their eponymous linear accelerator, and Ernest Lawrence’s invention of the cyclotron (1931–2), Frédéric and Irène Joliot-Curie’s discovery and confirmation of artificial radioactivity (1934), Enrico Fermi’s theory of beta decay based on Wolfgang Pauli’s neutrino hypothesis and Fermi’s discovery of the efficacy of slow neutrons in nuclear reactions (1934), Niels Bohr’s theory of the compound nucleus and Gregory Breit and Eugene Wigner’s theory of nucleus+neutron resonances (1936), and Lise Meitner and Otto Robert Frisch’s interpretation of nuclear fission, based on Gamow’s liquid-drop model of the nucleus (1938), which Frisch confirmed experimentally (1939). These achievements reflected the idiosyncratic personalities of the physicists who made them; they were shaped by the physical and intellectual environments of the countries and institutions in which they worked; and they were buffeted by the profound social and political upheavals after the Great War: the punitive postwar treaties, the runaway inflation in Germany and Austria, the Great Depression, and the greatest intellectual migration in history, which encompassed some of the most gifted experimental and theoretical nuclear physicists in the world.

This is the second book of a six volume edition of the complete correspondence of one of the leading figures in the scientific revolution of the 17th century, the Oxford mathematician and theologian John Wallis (1616–1703). It covers the period 1660 to September 1668 and thus some of the most decisive years of political and scientific reorganization in England during that century. The volume begins shortly before the restoration of the monarchy in 1660 and witnesses the emergence of the Royal Society from scientific circles, which had existed earlier in London and Oxford. Wallis's involvement in the Royal Society stretches back to its beginnings. After its official establishment, he became one of its most active members, corresponding regularly with its secretary Henry Oldenburg and attending meetings whenever he was in London. Wallis contributed extensively to contemporary scientific debate both in England and on the continent, and many of his letters to Oldenburg on mathematical and physical topics were edited and published in the journal Philosophical Transactions to this purpose. The correspondence contained in the volume, much of which is previously unpublished, throws new light on the background to the scientific revolution and on university politics during this time. As Keeper of the Archives, Wallis was often called upon to prepare papers aimed at defending the University of Oxford's ancient rights and privileges, and was also required to spend a considerable amount of his time in London. To this extent, at least his university commitments and scientific interests were able to go hand-in-hand.

This book is the first of a six volume edition of the complete correspondence of John Wallis (1616-1703). It begins with his earliest known letters written shortly before the outbreak of the first Civil War while he was serving as a private chaplain, and ends on the eve of the restoration of the monarchy in 1660, by which time he was already an established figure within the Republic of Letters. The period covered is thus a momentous one in Wallis's life. It witnesses his election to Savilian professor of geometry at the University of Oxford in 1649 and his subsequent rise to become one of the leading mathematicians of his day, particularly through his introduction of new arithmetical approaches to Cavalieri's method of quadratures. The correspondence reflects the full breadth of his professional activities in theology and mathematics, and provides insights not only into religious debates taking place during the revolutionary years but also into the various questions with which the mathematically-orientated scientific community was concerned. Many of the previously unpublished letters also throw light on University affairs. After his controversial election to the post of Keeper of the Archives in 1658, Wallis fought vigorously to uphold the rights of the University of Oxford whenever necessary, and to prevent as far as possible outside interference from political and religious quarters.