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1999-22 FOR IMMEDIATE RELEASE: April 20, 1999

National Academy of Sciences Presents Medal to NCAR Scientist

David Hosansky
UCAR Communications
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E-mail: hosansky@ucar.edu

BOULDER -- The National Academy of Sciences will present its 1999 Arctowski Medal to Arthur Hundhausen, a senior scientist emeritus at the High Altitude Observatory of the National Center for Atmospheric Research (NCAR), at a ceremony in Washington, D.C., on Monday, April 26. The prestigious award celebrates and supports research in solar physics and solar-terrestrial relationships. Hundhausen is being recognized "for his exceptional research in solar and solar-wind physics, particularly in the area of coronal and solar-wind disturbances." The medal includes a prize of $20,000, plus $60,000 to an institution of the recipient's choice.

"This award is for a lifetime's achievement in coronal physics, which Art Hundhausen pursued unbent by fashion or external pressures," says Michael Knoelker, director of the High Altitude Observatory.

Hundhausen's early interest in interplanetary space evolved into pursuit of questions about the physical structure of the solar corona and its influence on interplanetary magnetic fields and plasma flow. His pioneering work in the 1970s contributed to the discovery of structures on the sun that produce the solar wind--the ionized gas that flows out from the sun's corona on a regular basis.

In the 1980s Hundhausen helped identify the magnetic regions in the sun's corona that give rise to coronal mass ejections (CMEs). His contributions have helped explain CMEs as the source of interplanetary shock waves that produce "space weather." When those shock waves reach the earth's magnetic field, the effects can include disruptions in radio transmissions or interruptions in electrical power supplies, as well as the beautiful aurora borealis and aurora australis (the northern and southern lights).

Though retired, Hundhausen still comes to his office for a few hours each week to advise students, from undergraduates to postdoctoral fellows. Outside of science, his research passion is Italian history and culture, particularly that of Rome. Visiting Rome, he says, is "like science--the more you understand, the more things hold together, and the more you enjoy it."

Hundhausen attended the University of Wisconsin as an undergraduate and graduate student, earning a Ph.D. in physics in 1965. He came to NCAR in 1971 from the University of California's Los Alamos Scientific Laboratory.

This is the second time in a row an NCAR scientist has won the Arctowski Medal. Raymond Roble received the triennial award in 1996.

NCAR is managed by the University Corporation for Atmospheric Research under sponsorship by the National Science Foundation.

filename: art3.tif
The National Academy of Sciences is honoring Arthur J. Hundhausen for his exceptional research in solar and solar-wind physics.

-The End-

Writer: Zhenya Gallon

Visuals: Photos of Arthur Hundhausen are available at ftp://ftp.ucar.edu/communications. Filenames: art.tif, art2.tif, art3.tif.

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Last revised: Fri Apr 7 15:38:50 MDT 2000
Last revised: Tue Apr 20 10:58:34 MDT 1999