Dr. Marschall is on the faculty of Gettysburg College where he teaches courses in astronomy, physics, and science writing. Educated at Cornell University (B.S., 1966) and the University of Chicago (Ph.D., 1971), he joined the Gettysburg faculty in 1971. He has been a visiting Professor at Boston University (1987 and 1995), and a visiting scientist at the Harvard-Smithsonian Center for Astrophysics(1986 and 1994) and Yale University (1980). In 1998 he received a Distinguished Teaching Award from Gettysburg College.

Dr. Marschall's areas of research include observational studies of binary stars, very young stars, and supernovas. He is also known among astronomers for his work in astronomy education, both in promoting the use of electronic cameras for undergraduate research at small observatories, and in directing Project CLEA (Contemporary Laboratory Experiences in Astronomy) which develops innovative computer exercises in astronomy. Project CLEA exercises are used by tens of thousands of students in all 50 states and 50 foreign countries and have twice been awarded national prizes for educational software from the journal COMPUTERS IN PHYSICS. Besides his teaching and research, Dr. Marschall is an active science popularizer. He was a contributing editor to the award-winning (and late-lamented) popular magazine THE SCIENCES for 17 years, writing occasional articles on astronomy and a regular column on current popular books from all the sciences. He was editor of a quarterly magazine for amateur astronomers, CCD ASTRONOMY, and is a contributing editor of SMITHSONIAN AIR AND SPACE. He contributes annual astronomy updates to THE WORLD BOOK ENCYCLOPEDIA. His book THE SUPERNOVA STORY (Princeton Science Library, 1994) has been widely praised for its readability and appeal to the general. reader. He currently serves as Deputy Press Officer of the American Astronomical Society. In addition to over 40 articles in professional journals, Professor Marschall has written dozens of popular science articles and reviews for publications such as Sky and Telescope, Astronomy, Harper's, Newsday, and The New York Times Book Review.

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