School of Humanities and Sciences


Showing 301-350 of 382 Results

  • Jon Simon

    Jon Simon

    Associate Professor of Physics and Applied Physics

    Current Research and Scholarly InterestsJon's group focuses on exploring synthetic quantum matter using the unique tools available through quantum and classical optics. We typically think of photons as non-interacting, wave-like particles. By harnessing recent innovations in Rydberg-cavity- and circuit- quantum electrodynamics, the Simonlab is able to make photons interact strongly with one another, mimicking collisions between charged electrons. By confining these photons in ultra-low-loss metamaterial structures, the teams "teach" the photons to behave as though they have mass, are in traps, and are experiencing magnetic fields, all by using the structures to tailor the optical dispersion. In total, this provides a unique platform to explore everything from Weyl-semi-metals, to fractional quantum hall puddles, to Mott insulators and quantum dots, all made of light.

    The new tools developed in this endeavor, from twisted fabry-perot resonators, to Rydberg atom ensembles, Floquet-modulated atoms, and coupled cavity optical mode converters, have broad applications in information processing and communication. Indeed, we are now commissioning a new experiment aimed at interconverting optical and mm-wave photons using Rydberg atoms inside of crossed optical and superconducting millimeter resonators as the transducer.

  • Michael Simon

    Michael Simon

    Professor of Biology

    Current Research and Scholarly InterestsPlanar cell polarity, cell shape and mobility, and control of cell fate

  • Robert Simoni

    Robert Simoni

    Professor, Biology

    Current Research and Scholarly InterestsCholesterol in biological membranes; genetic mechanisms & cholesterol production

  • Jan Skotheim

    Jan Skotheim

    Professor of Biology and, by courtesy, of Chemical and Systems Biology

    Current Research and Scholarly InterestsMy overarching goal is to understand how cell growth triggers cell division. Linking growth to division is important because it allows cells to maintain specific size range to best perform their physiological functions. For example, red blood cells must be small enough to flow through small capillaries, whereas macrophages must be large enough to engulf pathogens. In addition to being important for normal cell and tissue physiology, the link between growth and division is misregulated in cancer.

  • Todd Smith

    Todd Smith

    Professor (Research) of Physics, Emeritus

    BioTodd received his PhD from Rice University. He acted as an assistant professor of physics and electrical engineering, senior research physicist, and professor of physics. Research interests include experimental accelerator physics, laser physics, and superconductivity. His specialty is free electron lasers.

  • Edward I. Solomon

    Edward I. Solomon

    Monroe E. Spaght Professor of Chemistry and Professor of Photon Science
    On Leave from 04/01/2024 To 06/30/2024

    Current Research and Scholarly InterestsProf. Solomon's work spans physical-inorganic, bioinorganic, and theoretical-inorganic chemistry, focusing on spectroscopic elucidation of the electronic structure of transition metal complexes and its contribution to reactivity. He has advanced our understanding of metal sites involved in electron transfer, copper sites involved in O2 binding, activation and reduction to water, structure/function correlations over non-heme iron enzymes, and correlation of biological to heterogeneous catalysis.

  • Richard Sommer

    Richard Sommer

    Lecturer

    BioRick Sommer received both his bachelors and PhD degrees in Mathematics from UC Berkeley, where he began his research in mathematical logic. Rick held a research position at MSRI in 1989 - 1990, and became a Gabor Szego Assistant Professor in the Department of Mathematics at Stanford in 1990. In 1995, Rick co-founded the Stanford University Mathematics Camp, for which he served as Director for over 25 years, and continues in a role as Special Advisor and Instructor. Also in the mid-90s, Rick took on a leadership role in developing online courses and residential summer programs for Stanford's Education Program for Gifted Youth (EPGY). In 2012, EPGY transformed into Stanford Pre-Collegiate Studies (SPCS), providing a home to the Stanford Online High School as well as over a dozen summer and year-around pre-collegiate programs, many of which Rick played a role in designing, developing and leading. Rick served as Executive Director of SPCS from 2015-2020. Rick occasionally teaches Logic in the Philosophy Department (Phil 151 and 152) and Set Theory in the Math Department (Math 161). Rick has a strong interest in mathematics education, and more generally in educational programs designed to inspire and develop the curiosity of young people. Rick is Co-Founder and Board Member of AI4ALL, working to increase diversity in the leadership of AI, and he is Treasurer and Board Member of the Gathering for Gardner Foundation, stimulating curiosity and the playful exchange of ideas in mathematics and related fields, in the spirit of Martin Gardner.

  • Daniel Stack

    Daniel Stack

    Associate Professor of Chemistry
    On Leave from 04/01/2024 To 06/30/2024

    BioResearch in the Stack group focuses on the mechanism of dioxygen activation and the subsequent oxidative reactivity with primarily copper complexes ligated by imidazoles or histamines. Specifically, the group is interested in substrate hydroxylations and full dioxygen reduction. The remarkable specificity and energy efficiency of metalloenzymes provide the inspiration for the work. Trapping and characterizing immediate species, primarily at low temperatures, provide key mechanistic insights especially through substrate reactivity along with spectroscopic and metrical correlation to DFT calculations. Our objective is to move these efficient enzymatic mechanisms into small synthetic complexes, not only to reproduce biological reactivity, but more importantly to move the oxidative mechanism beyond that possible in the protein matrix.

    Daniel Stack was born, raised and attended college in Portland Oregon. He received his B.A. from Reed College in 1982 (Phi Beta Kappa), working with Professor Tom Dunne on weak nickel-pyrazine complexes. In Boston, he pursued his doctoral study in synthetic inorganic chemistry at Harvard University (Ph.D., 1988) with Professor R. H. Holm, investigating site-differentiated synthetic analogues of biological Fe4S4 cubanes. As an NSF Postdoctoral Fellow with Professor K. N. Raymond at the University of California at Berkeley, he worked on synthesizing new, higher iron affinity ligands similar to enterobactin, a bacterial iron sequestering agent. He started his independent career in 1991 at Stanford University primarily working on oxidation catalysis and dioxygen activation, and was promoted to an Associate Professor in 1998. His contributions to undergraduate education have been recognized at the University level on several occasions, including the Dinkelspiel Award for Outstanding Contribution to Undergraduate Education in 2003.

    Areas of current focus include:

    Copper Dioxygen Chemistry
    Our current interests focus on stabilizing species formed in the reaction of dioxygen with Cu(I) complexes formed with biologically relevant imidazole or histamine ligation. Many multi-copper enzymes ligated in this manner are capable of impressive hydroxylation reactions, including oxidative depolymerization of cellulose, methane oxidation, and energy-efficient reduction of dioxygen to water. Oxygenation of such complexes at extreme solution temperatures (-125°C) yield transient Cu(III) containing complexes. As Cu(III) is currently uncharacterized in any biological enzyme, developing connections between the synthetic and biological realms is a major focus.

    Surface Immobilization of Catalysts in Mesoporous Materials
    In redox active biological metal sites, the ligation environment is coupled tightly to the functional chemistry. Yet, the metal sites are also site-isolated, creating species that may only have a transient existence in a homogeneous solution. Site isolation of synthetic complexes can be achieved synthetically by supporting the metal complex on a solid matrix. Movement of these complexes into silica based materials or onto electroactive carbon electrodes represent a new direction for the group in the development of bio-inspired metal-based catalysts.

  • Tim Stearns

    Tim Stearns

    Professor of Biology

    Current Research and Scholarly InterestsWe use the tools of genetics, microscopy, and biochemistry to understand fundamental questions of cell biology: How are cells organized by the cytoskeleton? How do the centrosome and cilium control cell control cell signaling? How is cell division coordinated with duplication of the centrosome, and what goes wrong in cancer cells defective in this coordination?

  • Leonard Susskind

    Leonard Susskind

    Felix Bloch Professor of Physics

    BioLeonard Susskind is the Felix Bloch professor of Theoretical physics at Stanford University. His research interests include string theory, quantum field theory, quantum statistical mechanics and quantum cosmology. He is a member of the National Academy of Sciences of the USA, and the American Academy of Arts and Sciences, an associate member of the faculty of Canada's Perimeter Institute for Theoretical Physics, and a distinguished professor of the Korea Institute for Advanced Study.

    Susskind is widely regarded as one of the fathers of string theory, having, with Yoichiro Nambu and Holger Bech Nielsen, independently introduced the idea that particles could in fact be states of excitation of a relativistic string. He was the first to introduce the idea of the string theory landscape in 2003.

  • Yuri Suzuki

    Yuri Suzuki

    Professor of Applied Physics and, by courtesy, of Materials Science and Engineering

    Current Research and Scholarly InterestsHer interests are focused on novel ground states and functional properties in condensed matter systems synthesized via atomically precise thin film deposition techniques with a recent emphasis has been on highly correlated electronic systems:
    • Emergent interfacial electronic & magnetic phenomena through complex oxide heteroepitaxy
    • Low dimensional electron gas systems
    • Spin current generation, propagation and control in complex oxide-based ferromagnets
    • Multifunctional behavior in complex oxide thin films and heterostructures

  • Paul Switzer

    Paul Switzer

    Professor of Statistics and of Environmental Earth System Science, Emeritus

    BioDr. Switzer's research interests are in the development of statistical tools for the environmental sciences. Recent research has focused on the interpretation of environmental monitoring data, design of monitoring networks, detection of time trends in environmental and climatic paramenters, modeling of human exposure to pollutants, statistical evaluation of numerical climate models and error estimation for spatial mapping.

  • Hua Tang

    Hua Tang

    Professor of Genetics and, by courtesy, of Statistics

    Current Research and Scholarly InterestsDevelop statistical and computational methods for population genomics analyses; modeling human evolutionary history; genetic association studies in admixed populations.

  • Stuart Thompson

    Stuart Thompson

    Professor of Biology (Hopkins Marine Station)

    Current Research and Scholarly InterestsNeurobiology, signal transduction

  • Lu Tian

    Lu Tian

    Professor of Biomedical Data Science and, by courtesy, of Statistics

    Current Research and Scholarly InterestsMy research interest includes
    (1) Survival Analysis and Semiparametric Modeling;
    (2) Resampling Method ;
    (3) Meta Analysis ;
    (4) High Dimensional Data Analysis;
    (5) Precision Medicine for Disease Diagnosis, Prognosis and Treatment.

  • Robert Tibshirani

    Robert Tibshirani

    Professor of Biomedical Data Science and of Statistics

    Current Research and Scholarly InterestsMy research is in applied statistics and biostatistics. I specialize in computer-intensive methods for regression and classification, bootstrap, cross-validation and statistical inference, and signal and image analysis for medical diagnosis.

  • Alice Ting

    Alice Ting

    Professor of Genetics, of Biology and, by courtesy, of Chemistry

    Current Research and Scholarly InterestsWe develop chemogenetic and optogenetic technologies for probing and manipulating protein networks, cellular RNA, and the function of mitochondria and the mammalian brain. Our technologies draw from protein engineering, directed evolution, chemical biology, organic synthesis, high-resolution microscopy, genetics, and computational design.

  • Lauren Tompkins

    Lauren Tompkins

    Associate Professor of Physics

    Current Research and Scholarly InterestsProfessor Tompkins’s research focuses on understanding the relationships which govern matter’s most fundamental constituents. As a member of the ATLAS experiment at the Large Hadron Collider (LHC), she utilizes the world’s highest energy person-made particle collisions in order to understand the mechanism that gives particles mass, whether or not our current model of elementary particle interactions is a complete description of nature, and if dark matter can be produced and studied in colliders.

    In order to search for the exceedingly rare interactions which may provide insight to these questions, the LHC will produce a blistering rate of 50 to 80 proton-proton collisions every 25 nanoseconds in 2015 and beyond. Professor Tompkins works on the design and implementation of custom electronics which will improve the ATLAS experiment’s ability to pick out the collisions which produce the Higgs bosons, dark matter particles and other rare events out of the deluge of ordinary interactions. Her group focuses on particles called heavy flavor fermions, the most massive particles not responsible for mediating interactions. Because they are so heavy, they may have a special connection to the origin of mass or physics beyond our current models of particle interactions.

    She is additionally a member of the Light Dark Matter Experiment (LDMX), a proposed experiment to produce and detect dark matter in the laboratory utilizing an accelerated beam of electrons.

  • Barry Trost

    Barry Trost

    Job and Gertrud Tamaki Professor in the School of Humanities and Sciences, Emeritus

    BioBorn in Philadelphia, Pennsylvania, Barry Trost began his university training at the University of Pennsylvania (BA, 1962) and completed his Ph.D. in Chemistry at the Massachusetts Institute of Technology (1965). He moved directly to the University of Wisconsin, where he was promoted to Professor of Chemistry and subsequently Vilas Research Professor. He joined the faculty at Stanford as Professor of Chemistry in 1987 and became Tamaki Professor of Humanities and Sciences in 1990. In addition to serving multiple visiting professorships, Professor Trost was presented with a Docteur honoris causa of the Université Claude-Bernard (Lyon I), France, and in 1997 a Doctor Scientiarum Honoris Causa of the Technion, Haifa, Israel. In recognition of his innovations and scholarship in the field of organic synthesis, Professor Trost has received the ACS Award in Pure Chemistry, ACS Award for Creative Work in Synthetic Organic Chemistry, Arthur C. Cope Scholar Award, and the Presidential Green Chemistry Challenge Award, among many others. Professor Trost has been elected a Fellow of the American Academy of Arts and Sciences, American Chemical Society, and American Association for the Advancement of Science, and a member of the National Academy of Sciences, and served as Chairman of the NIH Medicinal Chemistry Study Section. He has held over 125 special university lectureships and presented over 270 Plenary Lectures at national and international meetings. He has published two books and over 950 scientific articles. He edited a major compendium entitled Comprehensive Organic Synthesis consisting of nine volumes and serves on the editorial board for Science of Synthesis and Reaxys.

    The Trost Group’s research program revolves around the theme of synthesis, including target molecules with potential applications as novel catalysts, as well as antibiotic and antitumor therapies. The work comprises two major activities: 1) developing the tools, i.e., the reactions and reagents, and 2) creating the proper network of reactions to make complex targets readily available from simple starting materials.

    Efforts to develop "chemists' enzymes" – non-peptidic transition metal based catalysts that can perform chemo-, regio-, diastereo-, and especially enantioselective reactions – focus close attention to the question of atom economy to minimize waste, energy, and consumption of raw materials.

    Synthetic efficiency raises the question of metal catalyzed cycloadditions to rings other than six-membered. A general strategy is evolving for a "Diels-Alder" equivalent for formation of five, seven, nine, etc. membered carbo- and heterocyclic rings.

    An exciting new direction derives from the molecular gymnastics acetylenes undergo in the presence of transition metals. Additional specific goals include cycloisomerization to virtually all types of ring sizes and systems with particularly versatile juxtaposition of functionality.

    Palladium and ruthenium catalysts represent a major part of the lab's efforts, in order to invent new synthetic processes together with new opportunities for selectivity complementary to that obtained using other metal complexes. Main group chemistry, especially involving silicon, zinc, and sulfur, also offers many opportunities for new reaction design. Rational design of novel catalysts for asymmetric additions to carbonyl and imine groups are an exciting thrust.From these new synthetic tools evolve new synthetic strategies towards complex natural products. Targets include β-lactam antibiotics, ionophores, steroids and related compounds (e.g., Vitamin D metabolites), alkaloids, nucleosides, carbohydrates, and macrolide, terpenoid, and tetracyclic antitumor and antibiotic agents.

  • Albert Tsao

    Albert Tsao

    Basic Life Research Scientist

    BioHoward Hughes Medical Institute Fellow of The Helen Hay Whitney Foundation

  • Shripad Tuljapurkar

    Shripad Tuljapurkar

    The Dean and Virginia Morrison Professor of Population Studies

    Current Research and Scholarly InterestsStochastic dynamics of human and natural populations; prehistoric societies; probability forecasts including sex ratios, mortality, aging and fiscal balance; life history evolution.

  • John Turneaure

    John Turneaure

    Professor (Research) of Physics, Emeritus

    BioJohn received his PhD in physics from Stanford University. He later became a research associate in W.W. Hansen Experimental Physics Laboratory. Following, he acted as an assistant professor of physics, senior research associate, and professor. Research interests include experimental and observational astrophysics and cosmology.

  • Ravi Vakil

    Ravi Vakil

    Robert Grimmett Professor of Mathematics

    Current Research and Scholarly InterestsAlgebraic geometry and related subjects. For a complete publication list, see my publication page http://math.stanford.edu/~vakil/preprints.html rather than the list here.

  • Andras Vasy

    Andras Vasy

    Robert Grimmett Professor of Mathematics

    Current Research and Scholarly InterestsMy research concentrates on topics in two broad areas of applications of microlocal analysis in which, partly with collaborators, I introduced new ideas in recent years: non-elliptic linear and non-linear partial differential equations (PDE), typically concerning wave propagation or other related phenomena, and inverse problems for X-ray type transforms along geodesics and related problems for determining the metric tensor from boundary measurements.

  • Peter Vitousek

    Peter Vitousek

    Clifford G. Morrison Professor of Population and Resource Studies, Professor of Earth System Science, Senior Fellow at the Woods Institute for the Environment and Professor, by courtesy, of Biology

    Current Research and Scholarly InterestsVitousek's research interests include: evaluating the global cycles of nitrogen and phosphorus, and how they are altered by human activity; understanding how the interaction of land and culture contributed to the sustainability of Hawaiian (and other Pacific) agriculture and society before European contact; and working to make fertilizer applications more efficient and less environmentally damaging (especially in rapidly growing economies)

  • Ayelet Voskoboynik

    Ayelet Voskoboynik

    Assistant Professor (Research) of Biology

    Current Research and Scholarly InterestsWe study several stem cell interrelated phenomena using the colonial chordate, Botryllus schlosseri. We use genetic, genomic, and cell biological approaches to investigate: The evolutionary molecular mechanisms that regulate the decline of tissue regenerative potential during aging and allogeneic stem cell competition in host.

  • Jelena Vuckovic

    Jelena Vuckovic

    Jensen Huang Professor of Global Leadership, Professor of Electrical Engineering and, by courtesy, of Applied Physics

    Current Research and Scholarly InterestsJelena Vuckovic’s research interests are broadly in the areas of nanophotonics, quantum and nonlinear optics. Her lab develops semiconductor-based photonic chip-scale systems with goals to probe new regimes of light-matter interaction, as well as to enable platforms for future classical and quantum information processing technologies. She also works on transforming conventional photonics with the concept of inverse design, where optimal photonic devices are designed from scratch using computer algorithms with little to no human input. Her current projects include quantum and nonlinear optics, cavity QED, and quantum information processing with color centers in diamond and in silicon carbide, heterogeneously integrated chip-scale photonic systems, and on-chip laser driven particle accelerators.

  • Robert Wagoner

    Robert Wagoner

    Professor of Physics, Emeritus

    Current Research and Scholarly InterestsProbes (accretion disks, ...) of black holes, sources and detectors of gravitational radiation, theories of gravitation, anthropic cosmological principle.

  • Virginia Walbot

    Virginia Walbot

    Professor of Biology, Emerita

    Current Research and Scholarly InterestsOur current focus is on maize anther development to understand how cell fate is specified. We discovered that hypoxia triggers specification of the archesporial (pre-meiotic) cells, and that these cells secrete a small protein MAC1 that patterns the adjacent soma to differentiate as endothecial and secondary parietal cell types. We also discovered a novel class of small RNA: 21-nt and 24-nt phasiRNAs that are exceptionally abundant in anthers and exhibit strict spatiotemporal dynamics.