School of Humanities and Sciences
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Associate Professor of History
BioAllyson Hobbs is an Assistant Professor in the History Department at Stanford University. She graduated magna cum laude from Harvard University and she received a Ph.D. with distinction from the University of Chicago. She has received fellowships from the Ford Foundation, the Michelle R. Clayman Institute for Gender Research, and the Center for the Comparative Study of Race and Ethnicity at Stanford. Allyson teaches courses on American identity, African American history, African American women’s history, and twentieth century American history. She has won numerous teaching awards including the Phi Beta Kappa Teaching Prize, the Graves Award in the Humanities, and the St. Clair Drake Teaching Award. She gave a TEDx talk at Stanford, she has appeared on C-Span, MSNBC, National Public Radio, and her work has been featured on cnn.com, slate.com, and in the Los Angeles Times, The Chronicle of Higher Education, the Christian Science Monitor, and the New York Times.
Allyson’s first book, A Chosen Exile: A History of Racial Passing in American Life, published by Harvard University Press in October 2014, examines the phenomenon of racial passing in the United States from the late eighteenth century to the present. A Chosen Exile won two prizes from the Organization of American Historians: the Frederick Jackson Turner Prize for best first book in American history and the Lawrence Levine Prize for best book in American cultural history. A Chosen Exile has been featured on All Things Considered on National Public Radio, Book TV on C-SPAN, The Melissa Harris-Perry Show on MSNBC, the Tavis Smiley Show on Public Radio International, the Madison Show on SiriusXM, and TV News One with Roland Martin. A Chosen Exile has been reviewed in the New York Times Book Review, the San Francisco Chronicle, Harper’s, the Los Angeles Review of Books, and the Boston Globe. The book was selected as a New York Times Book Review Editor’s Choice, a “Best Book of 2014” by the San Francisco Chronicle, and a “Book of the Week” by the Times Higher Education in London. The Root named A Chosen Exile as one of the “Best 15 Nonfiction Books by Black Authors in 2014.”
Dunlevie Family Professor and Professor, by courtesy, of Classics
BioIan Hodder joined the Department of Cultural and Social Anthropology in September of 1999. Among his publications are: Symbols in Action (Cambridge 1982), Reading the Past (Cambridge 1986), The Domestication of Europe (Oxford 1990), The Archaeological Process (Oxford 1999). Catalhoyuk: The Leopard's Tale (Thames and Hudson 2006), and Entangled. An archaeology of the relationships between humans and things (Wiley and Blackwell, 2012). Professor Hodder has been conducting the excavation of the 9,000 year-old Neolithic site of Catalhoyuk in central Turkey since 1993. The 25-year project has three aims - to place the art from the site in its full environmental, economic and social context, to conserve the paintings, plasters and mud walls, and to present the site to the public. The project is also associated with attempts to develop reflexive methods in archaeology. Dr. Hodder is currently the Dunlevie Family Professor.
Academic Curator and Collections Manager, Archaeology
Current Role at StanfordAcademic Curator & Collections Manager, Stanford University Archaeology Collections
Academic Staff—Teaching, Stanford Archaeology Center
David Mulvane Ehrsam and Edward Curtis Franklin Professor of Chemistry and Professor of Photon Science at SLAC
BioCombining inorganic, biophysical and structural chemistry, Professor Keith Hodgson investigates how structure at molecular and macromolecular levels relates to function. Studies in the Hodgson lab have pioneered the use of synchrotron x-radiation to probe the electronic and structural environment of biomolecules. Recent efforts focus on the applications of x-ray diffraction, scattering and absorption spectroscopy to examine metalloproteins that are important in Earth’s biosphere, such as those that convert nitrogen to ammonia or methane to methanol.
Keith O. Hodgson was born in Virginia in 1947. He studied chemistry at the University of Virginia (B.S. 1969) and University of California, Berkeley (Ph.D. 1972), with a postdoctoral year at the ETH in Zurich. He joined the Stanford Chemistry Department faculty in 1973, starting up a program of fundamental research into the use of x-rays to study chemical and biological structure that made use of the unique capabilities of the Stanford Synchrotron Radiation Lightsource (SSRL). His lab carried out pioneering x-ray absorption and x-ray crystallographic studies of proteins, laying the foundation for a new field now in broad use worldwide. In the early eighties, he began development of one of the world's first synchrotron-based structural molecular biology research and user programs, centered at SSRL. He served as SSRL Director from 1998 to 2005, and SLAC National Accelerator Laboratory (SLAC) Deputy Director (2005-2007) and Associate Laboratory Director for Photon Science (2007-2011).
Today the Hodgson research group investigates how molecular structure at different organizational levels relates to biological and chemical function, using a variety of x-ray absorption, diffraction and scattering techniques. Typical of these molecular structural studies are investigations of metal ions as active sites of biomolecules. His research group develops and utilizes techniques such as x-ray absorption and emission spectroscopy (XAS and XES) to study the electronic and metrical details of a given metal ion in the biomolecule under a variety of natural conditions.
A major area of focus over many years, the active site of the enzyme nitrogenase is responsible for conversion of atmospheric di-nitrogen to ammonia. Using XAS studies at the S, Fe and Mo edge, the Hodgson group has worked to understand the electronic structure as a function of redox in this cluster. They have developed new methods to study long distances in the cluster within and outside the protein. Studies are ongoing to learn how this cluster functions during catalysis and interacts with substrates and inhibitors. Other components of the protein are also under active study.
Additional projects include the study of iron in dioxygen activation and oxidation within the binuclear iron-containing enzyme methane monooxygenase and in cytochrome oxidase. Lab members are also investigating the role of copper in electron transport and in dioxygen activation. Other studies include the electronic structure of iron-sulfur clusters in models and enzymes.
The research group is also focusing on using the next generation of x-ray light sources, the free electron laser. Such a light source, called the LCLS, is also located at SLAC. They are also developing new approaches using x-ray free electron laser radiation to image noncrystalline biomolecules and study chemical reactivity on ultrafast time scales.