Walter Lewin

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**Walter H.G. Lewin**
Prof. Lewin demonstrates the conservation of mechanical energy.
Born	The Netherlands
Residence	The Netherlands, United States
Nationality	Dutch
Field	Astrophysics
Institution	MIT
Alma Mater	Delft University of Technology
Notable Prizes	NASA Award for Exceptional Scientific Achievement (1978) Alexander von Humboldt Award (1984 and 1991) Guggenheim Fellowship (1984) MIT Science Council Prize for Excellence in Undergraduate Teaching (1984), W. Buechner Teaching Prize (1988) Evertt Moore Baker Memorial Award for Excellence in Undergraduate Teaching (2003)

Walter H. G. Lewin is currently a professor of Physics at the Massachusetts Institute of Technology. He earned his Ph.D. in Nuclear Physics at the Delft University of Technology in 1965 in the Netherlands.

Walter Lewin came to MIT in January 1966 with the intent of spending one year in a post-doctoral position, but he never left. He joined an x-ray astronomy group at MIT and conducted all-sky balloon surveys with George W. Clark. Through the late seventies, there were about twenty successful balloon flights. These balloon surveys led to the discovery of five new x-ray sources, which doubled the number known at the time. Furthermore, some of these x-ray sources were found to be varying, and some were x-ray flares. The rockets used by other researchers could not have discovered that the x-ray sources varied because they were only in the air for a few minutes, whereas the balloons could be in the air for many hours. The surveys also resulted in the discovery of GX 1+4, which was the first slowly rotating X-ray pulsar found.

Walter Lewin received the "2003 Everett Moore Baker Memorial Award for Excellence in Undergraduate Teaching" award. Some of his lectures are available online in video format.

Lewin usually wears a button down shirt to class, and almost always has an eclectic pin on his shirt (ranging from an egg to a banana to a smiley face).

[edit] Selected publications

Lewin, Walter H.G., Jan van Paradijs, Ronald E. Taam (204-10-27). "X-ray Bursts". Space Science Reviews 62 (3-4): 223-389. DOI:10.1007/BF00196124.

D. Pooley, W.H.G. Lewin, S.F. Anderson, H. Baumgardt, A.V. Filippenko, B.M. Gaensler, L. Homer, P. Hut, V.M. Kaspi, B. Margon, S. McMillan, S. Portegies Zwart, M. van der Klis, & F. Verbunt (2003). "Dynamical Formation of Close Binary Systems in Globular Clusters". Astrophysical Journal 591: L131-L134. DOI:10.1086/377074.

J. Miller, A. Fabian, R. Wijnands, R. Remillard, P. Wojdowski, N. Schulz, T. Di Matteo, H. Marshall, C. Canizares, & W. Lewin (2002). "Resolving the Composite Fe K-alpha Emission Line in the Galactic Black Hole Cygnus X-1 with Chandra". Astrophysical Journal 578: 348-356. DOI:10.1086/342466.

D. Pooley, W. Lewin, L. Homer, S. Anderson, B. Gaensler, B. Margon, F. Verbunt, J. Miller, D. Fox, V. Kaspi & M. v.d. Klis (2002). "Optical Identifications of Multiple Faint X-ray Sources in the Globular Cluster NGC~6752: Evidence for Numerous Cataclysmic Variables". Astrophysical Journal 569: 405.

C. Kouveliotou, J. van Paradijs, G. J. Fishman, M. S. Briggs, J. Kommers, B. A. Harmon, C. A. Meegan, W. H. G. Lewin (1996). "Discovery of a New Type of Burster from the Galactic Center Region". Nature 379: 799.

M. v.d. Klis, J. Swank, W. Zhang, K. Jahoda, E. Morgan, W. Lewin, B. Vaughan, & J. van Paradijs (1996). "Discovery of Sub millisecond Quasi-periodic Oscillations in the X-ray Flux of Scorpius X-1". Astrophysical Journal 469.