Earth & Space Science: About the Course
Contributors
Course Developer
Chris Irwin, Ed. D. c.
After graduating from the State University of New York system with a
BS in elementary education, Chris worked in private and public education
in Vermont for thirteen years. After obtaining an MS in K-8 Math and
Science Education from the Massachusetts College of Liberal Arts in
North Adams, Massachusetts, she stayed on as a faculty member in the
Education Department, teaching early childhood and elementary curriculum
courses and mathematics and science methods courses to pre-service
and in-service teachers. During this time, Chris held visiting instructor
status at the University of Massachusetts, Amherst, and served as an
educational researcher on several science education projects. After
teaching college for nine years, Chris joined the education staff at
the Science Discovery Museum in Acton, Massachusetts, and maintains
an affiliation with the museum. Chris is currently an Ed. D. candidate
at the University of Massachusetts, Amherst, studying inquiry-based
teaching and learning and children’s science conceptions.
Onscreen Guides
Brittina A. Argow, M.S.
Britt Argow received her BA in British literature with a minor in geology
from the College of William and Mary. She worked as a nursery school
teacher before pursuing a MS in Geology at Stanford University, focusing
on coastal sedimentology and micropaleontology. While there, she was
involved with the Center for Teaching and Learning, where she developed
workshops to better prepare teaching assistants in science and engineering.
After graduate school, Britt accepted an assistant professorship at
Westchester Community College in New York, where she taught Earth Science,
Oceanography, and Physical Geography. She received recognition for
her innovative approach to science education, employing and developing
new curricula, teaching, and testing methods. Britt has also worked
for the National Park Service, where she specialized in public education
and developing new science education curricula, for the United States
Geological Survey, and as a consulting geologist. She has recently
returned to graduate school at Boston University and is pursuing a
Ph.D. in coastal geology as a National Science Foundation Graduate
Research Fellow.
F. Joseph Reilly
After earning a B.S. in elementary education from Boston University,
Joe Reilly has spent his entire professional career as an educator
of children and adults. Joe is a master teacher with more than twenty-five
years of experience teaching kindergarten, first, and second graders
in the Greater Boston area. He was a Fulbright Teaching Fellow, spending
a year abroad in Oxfordshire, England, and received a grant to travel
to Cuba to study Literacy Achievement. Along with teaching elementary
students, Joe currently teaches pre-service and in-service teachers
in the School of Education at Boston College, and supervises student
teachers as well. Joe has been an on-camera teacher for the McGraw
Hill Educational Psychology Series as well as for the Teaching Math
Library for the Annenberg Media. Joe is also a consultant and pilot
teacher for TERC, a non-profit education research and development organization
dedicated to improving mathematics, science, and technology teaching
and learning.
Julie Libarkin, Ph.D.
Dr. Julie Libarkin is currently a member of the faculty of the Geology
Department at Ohio University in Athens, where she teaches undergraduate
geology courses. She has done extensive science study, starting at
the Thomas Jefferson High School of Science and Technology in Alexandria,
Virginia. Julie next completed a BS at the College of William and Mary
with a dual focus on geology and physics, and went on to earn a Ph.D.
in geosciences at the University of Arizona at Tucson. Moving to a
research position at the Science Education Department of the Harvard
Smithsonian Center for Astrophysics in Cambridge, Massachusetts, she
was granted several National Science Foundation postdoctoral fellowships
in science, mathematics, engineering, and technology education. Julie
conducts research on mountain building processes, cosmogenic isotopes,
student conceptions, cognition, and assessment, and publishes numerous
articles on these subjects.
Scientists
Oliver Chadwick, Ph.D.
Dr. Chadwick is one of the world’s leading scientists in relating
soils to ecology and Earth system science. He is a joint professor in
the Geography Department and Environmental Studies Program at the University
of California, Santa Barbara. His work for the Department of Geography
is in the areas of soil sciences: soil formation and advanced classification
and evolution of soil landscapes. Dr. Chadwick’s research interests
include soil classification, the evolution of soil landscapes, soil geochemistry,
quaternary geology (the study of the Earth over the last 1.6 million
years), and interactions between soil, atmosphere, water, and vegetation.
His current work includes the “Hawaii Ecosystems Project,” utilizing
Hawaii as a model ecosystem to understand changes in soil and the sources
of nutrients to rainforests.
Carol de Wet, Ph.D.
Dr. Carol de Wet is an associate professor in the Geosciences Department
at Franklin and Marshall College in Lancaster, Pennsylvania. There
she teaches courses in geology, specifically sedimentology (sedimentary
rocks and their formation), coral reef geology, and environmental geology.
Dr. de Wet also works one-on-one with students, mentoring them in their
individual research and publication efforts. Her personal research
interests are in sedimentology and geochemistry. Dr. de Wet has done
extensive research on carbonate deposits, submarine processes of rock
cementation, sedimentary rocks in lacustrine (lake) environments, paleoclimates
(ancient climatic conditions), and plate tectonics. Dr. de Wet was
a Recipient of the Geological Society of America Donald L. & Carolyn
N. Biggs Earth Science Teaching Award in 2000.
R. Hank Donnelly, Ph.D.
Dr. R. Hank Donnelly is a research astrophysicist at the Harvard-Smithsonian
Center for Astrophysics. He studies the formation of clusters of galaxies
to learn more about the formation and evolution of structure in the
universe. Dr. Donnelly is also a specialist in astronomical instruments
and he is the calibration scientist for the High Resolution Camera
at the CHANDRA X-ray Center. He is active in improving science education
and literacy and brings astronomy to elementary and middle school classrooms
through Project Astro, as well as teaching undergraduate astronomy
at Harvard University. He received his Ph.D. from the University of
California, Santa Cruz, in 1993. He is an outdoor enthusiast and he
enjoys playing lacrosse and scuba diving.
Scott J. Kenyon, Ph.D.
Dr. Scott J. Kenyon is a senior astrophysicist at the Harvard-Smithsonian
Center for Astrophysics. Dr. Kenyon’s research focuses on the
formation and evolution of stars and planets. His Ph.D. dissertation
on symbiotic stars was expanded into a monograph and still remains
the primary reference in the field. Dr. Kenyon’s research lies
at the boundary between observations and theory: he uses observations
to test theories and theories to make predictions, which in turn can
be tested with observations. His recent work includes the formation
of Kuiper Belt Objects like Pluto. He is the author or co-author of
more than 100 peer-reviewed scientific papers. And he is a member of
several academic societies including the American Association for the
Advancement of Science, the American Astronomical Society, and the
International Astronomical Union. He received the Copernicus Medal
from the Nicolaus Copernicus University in 1987, and in 1995 shared
the Hoopes Prize of Harvard University with Jane Luu and Sarah T. Stewart.
He is a fellow of the American Association for the Advancement of Science.
Keith Klepeis, Ph.D.
Dr. Keith Klepeis is a structural geologist in the Department of Geology
at the University of Vermont. Prior to that, he was a lecturer in structural
geology (the study of the geological processes that deform the Earth’s
crust and create mountains), field geology (the methodology of field
investigations), and plate tectonics at the University of Sydney in
Australia. Dr. Klepeis was a National Science Foundation Postdoctoral
Fellow at Bryn Mawr College and Princeton University, working on tectonic
problems in Alaska and coastal British Columbia. Keith’s current
research centers on examining interactions between rock deformation,
metamorphism, magmatism, tectonic plate motions, processes at plate
boundary zones, and orogenic (mountain building) systems. His interests
are diverse, but focus on the structure and evolution of convergent,
divergent, and transform plate boundaries, orogenic belts, and fault
systems.
Andy Kurtz, Ph.D.
Dr. Kurtz is an assistant professor at Boston University in the Department
of Earth Sciences. His research involves studying the geochemistry
of Earth’s surface, Earth history, global cycles of carbon, sulfur,
and silicon, and the evolution of Earth’s surface environments
throughout geologic time. Particular areas of interest include understanding
the connections between terrestrial and marine processes, and the relationship
between silicate weathering and climate. Ongoing collaborative research
projects use the Hawaiian Islands as a “natural laboratory” to
study geochemical, soil, and ecological processes. For several years
he has been involved in a multidisciplinary project with Oliver Chadwick
(see below) developed by leaders in the fields of soil science, ecology,
and geochemistry. The “Hawaii Ecosystems Project” uses
the Hawaiian Islands to examine the evolving relationship between ecosystem
function, soil development, and weathering based on a series of sites
ranging in age from a few hundred to several million years old.
Myron Lecar, Ph.D.
Dr. Myron Lecar has been a lecturer in Astronomy at the Harvard-Smithsonian
Center for Astrophysics since 1965. He attended the Massachusetts Institute
of Technology as an undergraduate and received his Ph.D. from Yale
University in 1963. He was one of the founding members of the NASA
Institute for Space Physics at Columbia University, while he was a
graduate student at Yale. In 1972 he was involved in building the first
astronomical observatory in Israel. Dr. Lecar’s research interests
include gravitational dynamics, planet formation, and the dynamics
of our solar system. He has authored or co-authored more than 90 scientific
articles. A paper he wrote with Dr. Paul Gorenstein and Dr. Daniel
Farbricant, his colleagues at the Harvard-Smithsonian Center for Astrophysics,
was included as one of fifty path-breaking papers of the 20th Century
in the centennial edition of the American Astronomical Society. He
currently works with Dr. Dimitar Sasselov and Dr. Matt Holman on planets
orbiting other stars.
Elissa Levine, Ph.D.
Dr. Levine has been studying soil properties since the 1970s. She is
a soil scientist at the NASA Goddard Space Flight Center in Greenbelt,
Maryland. There, using satellite imagery, computer technology, and
fieldwork data, she studies ecosystems, focusing on the role soils
play in ecosystems in order to better understand how soils affect and
are affected by climate, acid rain, land use, and other processes.
Dr. Levine is also the principal soil scientist for GLOBE (Global Learning
and Observations to Benefit the Environment). GLOBE, an international
program for students from kindergarten through twelfth grade, promotes
partnerships between students and scientists. Dr. Levine is the recipient
of the 2003 Association of Women Soil Scientist Mentoring Award for
her work with the Soil Characterization Investigation at the GLOBE
Program and her ongoing efforts to educate youth about soil science.
Michael Manga, Ph.D.
Dr. Michael Manga is an associate professor of Earth and planetary science
at the University of California at Berkeley. He received his B.S. in
Geophysics from McGill University in Montreal, and his Ph.D. in Earth
and planetary science from Harvard University in 1994. Dr. Manga studies
a wide range of geologic phenomena including fluid mechanics, hydrology,
and physical volcanology, all in order to better understand planetary
evolution. He and his collaborators study geological processes by devising
models that compress geological time scales from billions of years
to hours. He has authored or co-authored more than 75 peer-reviewed
scientific papers. He is a fellow of the Geological Society of America,
and the recipient of numerous medals and awards for achievements in
research and teaching.
Ursula B. Marvin, Ph.D.
Dr. Ursula B. Marvin is a senior geologist emerita of geology and historian
of science at the Harvard-Smithsonian Center for Astrophysics. She
studied history as an undergraduate at Tufts University and earned
a masters and doctorate degrees in geology from Harvard University.
From 1952 to 1958 Dr. Marvin and her husband, a mining geologist, spent
six years in Brazil and Angola examining mineral deposits. Between
1978 and 1985, she spent three field seasons in Antarctica, two of
them collecting meteorites and one sampling the Cretaceous-Tertiary
boundary for evidence of the impact that is thought to have triggered
the extinction of the dinosaurs 65 million years ago. Dr. Marvin is
the author of more than 120 scientific articles and a book titled,
Continental Drift, the Evolution of a Concept. Asteroid Marvin was
named for her in 1991 by the Minor Planet Bureau of the International
Astronomical Union, and Marvin Nunatak, a mountain peak in Antarctica,
was named in her honor in 1992. Dr. Marvin officially retired in 1998,
but continues her research. She is also active in resolving problems
in undergraduate education, especially the personal and professional
problems women face pursuing careers in science.
Harrison H. Schmitt, Ph.D.
Dr. Harrison H. Schmitt received his doctorate in geology from Harvard
University in 1964 and went to work with astrogeologist Eugene Shoemaker
at the United States Geological Survey developing lunar field geological
methods and mapping the surface of the Moon. In 1965 he was selected
into NASA’s scientist-astronaut training program and in 1972
he became the first scientist-astronaut to walk on the Moon. Dr. Schmitt
was the lunar module pilot on Apollo 17. He and Gene Eugene Cernan,
the Commander, spent 22 hours and 4 minutes on the lunar surface. In
1975 Dr. Schmitt resigned from NASA to serve as one of New Mexico’s
senators for one term. He is currently an adjunct professor of engineering
physics at the University of Wisconsin in Madison.
David Sherrod, Ph.D.
Dr. David Sherrod is a volcanologist with the United States Geological
Survey (USGS). He received his Ph.D. from the University of California
at Santa Barbara. He was stationed at the USGS Cascade Volcano Observatory
in Vancouver, Washington until 1996, when he transferred to the USGS’s
Hawaii Volcano Observatory on the big island of Hawaii. In 2004 he
returned to the Cascade Volcano Observatory. Dr. Sherrod’s recent
research focuses on the evolution of the Hawaiian volcanoes after they
traveled over hot spots.
Sarah T. Stewart, Ph.D.
Dr. Sarah T. Stewart is an assistant professor of planetary science in
the Department of Earth and Planetary Sciences at Harvard University.
She received her A.B. in astronomy and astrophysics and physics from
Harvard University in 1995. In 2002 she earned her Ph.D. in planetary
science from the California Institute of Technology. Dr. Stewart’s
research interests include collisional processes, planet formation,
and the evolution of planetary surfaces. She is the director of the
Shock Compression Laboratory at Harvard University, where she conducts
impact experiments on planetary materials to simulate large impact
events and collisions in the solar system.
John A. Wood, Ph.D.
Dr. John A. Wood is a senior scientist of planetary and lunar science
at the Harvard-Smithsonian Center for Astrophysics. He received his
Ph.D. in geology from the Massachusetts Institute of Technology in
1958. Dr. Wood’s research interests include the study of primitive
planetary material, and meteorites in particular. He also works on
the origin of planets and our solar system. He was part of a team of
scientists who first theorized that rocky planetary bodies start out
molten and cool over time. This idea is known as the magma ocean hypothesis
and grew out of Dr. Wood’s research on the lunar samples returned
by the Apollo missions. Over the course of his career Dr. Wood has
served as an advisor to many NASA missions and programs and authored
or co-authored over 150 scientific papers on planetary science topics.
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