PERSONNEL Prof. Henry J. Zimmermann, Director Prof. John G. King, Associate Director Research Committee Advisory Committee Prof. Alan H. Barrett Prof. Bruno Coppi Prof. Murray Eden Prof. Morris Halle Prof. Robert S. Kennedy Prof. John G. King Prof. Lawrence M. Lidsky Prof. William M. Siebert Prof. Rainer Weiss Prof. Henry J. Zimmermann (Chairman) Dean Robert A. Alberty Prof. Wilbur B. Davenport, Jr. Prof. Herman Feshbach Dean Harold J. Hanham Prof. Thomas F. Jones Dean Alfred A. Keil Prof. John G. King Prof. Norman C. Rasmussen Dean Kenneth R. Wadleigh Prof. Henry J. Zimmermann (Chairman) Professors Adler, Richard B. Allis, William P. * Barrett, Alan H. Bekefi, George Bers, Abraham Bose, Amar G. Bromberger, Sylvain Brown, Sanborn C. * Bruce, James D. Burke, Bernard F. Chen, Sow-Hsin Chomsky, A. Noam Coppi, Bruno Davenport, Wilbur B., Jr. Dupree, Thomas H. Eden, Murray Edgerton, Harold E. * Elias, Peter t Fodor, Jerry A. Frishkopf, Lawrence S. Gallager, Robert G. Gyftopoulos, Elias P. Hale, Kenneth L. Halle, Morris Harris, James W. Harvey, George G. * Haus, Hermann A. Ingard, K. Uno Jakobson, Roman Katz, Jerrold J. Kennedy, Robert S. King, John G. Kiparsky, R. Paul V. Kleppner, Daniel Kyhl, Robert L. Lee, Francis R. Lettvin, Jerome Y. McCune, James E. O'Neil, Wayne A. Peake, William T. Penfield, Paul L., Jr. Pomorska, Krystina Ross, John R. Schreiber, William F. Siebert, William M. Smullin, Louis D. Stevens, Kenneth N. Strandberg, MalcomW. Thornton, Richard D. Van Trees, Harry L. T Weiss, Rainer Wozencraft, John M. Zacharias, Jerrold R. * Zimmermann, Henry J. Associate Professors Allen, Jonathan Baggeroer, Arthur B. Blesser, Barry A. Braida, Louis D. Burns, Stephen K. Colburn, H. Steven Ezekiel, Shaoul Garrett, Merrill F. Kong, Jin Au Lidsky, Lawrence M. Mark, Roger G. Oppenheim, Alan V. Perlmutter, David M. Pritchard, David E. Shapiro, Jeffrey H. Sigmar, Dieter J. Staelin, David H. Troxel, Donald E. Weiss, Thomas F. Woo, James T. $ Young, Ian T. f *Emeritus fAbsent IVisiting 348 PERSONNEL Assistant Professors Chu, Flora Y-F. Gupta, Madhu S. Joannopoulos, John D. McClellan, James H. Muehlner, Dirk J. Myers, Philip C. Oman, Charles M.I. Politzer, Peter A. Segall, Adrian Sussman, Gerald J. Toong, Hoo-min D. Warde, Cardinal T Waxman, Stephen G. $ Willemain, Thomas R. Lecturers Durlach, Nathaniel I. Houtsma, Adrian J. M. Kiang, Nelson Y. S. Piankian, Robert A. Searle, Campbell L. Smith, Arthur A. Research Associates and Postdoctoral Fellows Brill, Michael H. Cooper, William E. Ducas, Theodore W. Ehst, David A. Gruberg, Edward R. Guinan, John J., Jr. Henke, William L. Hewlett, Martin J. Hirshman, Steven P. Hufnagel, Stefanie S. Jernigan, Marvin E. Johnston, George L. Kean, Mary-Louise Klatt, Dennis H. Klein, Barbara Ozonoff, David M. Pant, Aniket Perkell, Joseph S. Peterson, John W. Pettijohn, David O, Pisoni, David B. Reed, Charlotte M. Rosenfield, David B. Rosenkranz, Philip W. Rosenthal, Stanley R. Solberg, Myrl E. Suchannek, Rodolf G. Williams, Katherine L. Wolf, Catherine D. Yuen, Horace P. H. Research Staff Abrams, Jerome H. Barrett, John W. Basu, Bamandas Benford, Richard L. Boyle, Brian E. Chambers, Frank W. Coleman, John W. Drake, Caleb J. Durlach, Nathaniel I. Grove, Robert E. Hagerich, Allison G. Huggins, A. W. F. Hunnicutt, M. Sharon Hunter, Kevin Kiang, Nelson Y. S. Kierstead, John D. McCarthy, John J. McKenzie, John A. Molvig, Kim Mulligan, William J. Orzechowski, Thaddeus J. Papa, D. Cosmo Parrish, Alan Raymond, Stephen A. Reiman, Allan H. Sher, Stephanie E. Shillman, Robert J. Tsang, Leung Weaver, James C. Visiting Scientists and Guests Bertin, Giuseppe Blumstein, Sheila E. Carden, Guy Cerrillo, Manuel V. DeCampos, Jose A. S. DeMenna, Luciano Dougherty, Janet W. D. Jacobsen, Edward H. Kunt, Murat Lust, Barbara C. Oshima, Shin Pau, Louis-Frangois Pegoraro, Francesco Quicoli, Antonio C. Roy-Yarza, Armando Yasuhara, Makoto Research Affiliates Altmann, David W. Barlow, John S. Brown, Fielding Bullowa, Margaret IV isiting 349 Crist, Alan H. Domnitz, Robert H. PERSONNEL Research Affiliates (continued) Dylla, Frederick H. Fraeman, Martin E. Gerchberg, Ralph W. Hu, James V. Hubelbank, Mark Ingham, Kenneth R. Kfoury, Denis J. Laferriere, Martha Marr, Elizabeth M. Menn, Lise Menyuk, Paula Miller, Perry L. Moslin, Barbara J. Mulroy, Michael J. Nedzelnitsky, Victor Painter, Colin Prosnitz, Donald Quick, Donald C. Savatsky, Steven J. Scatton, Ernest A. Scharf, Bertram Schultz, Martin C. Solomon, Robert D. Steffens, David A. Terry, James L. Wacks, Kenneth P. Instructors Freeman, Richard R. Research Assistants Apt, Jerome, III Ausschnitt, Christopher P. Bates, Steven L. Bourk, Terrance R. Bromberg, Leslie Brunner, Timothy A. Burzio, Luigi Camrass, Roger J. Ceglio, Natale M. Chan, Hark C. Chang, Franklin R. Chrisman, Paul W., Jr. Cohen, Jeffrey Combs, John A. Cooley, John J. Cook, Donald L. Cooke, William E. Cooper, John F. Crane, Patrick C. Davis, Mark F. Delgutte, Bertrand Ellis, James R. , Jr. Englander, Irvin S. Fisch, Nathaniel J. Fisher, Alan S. Fisher, Arthur D. Forbes, Alan R. Frerking, Margaret A. Giuffrida, Thomas S. Glasser, Lance A. Goldhor, Richard S. Goldsmith, John A. Golub, Howard L. Gottlieb, Mark Haschick, Aubrey D. Hawkins, William J. Hershcovitch, Ady Ho, Paul T. Holt, Anthony P. Holz, Michael K. O. Hsia, James C. Humblet, Pierre A. Irwin, Thomas B. Janos, Alan C. Jarrell, Joseph A. Johanson, James M. Johnston, Mark D. Karney, Charles F. F. Kegl, Judy Ann Kenyon, Peter T. Kim, Wha-Chun M. Klinkowstein, Robert S. Komm, David S. Krasner, Michael A. Kuklinski, Theodore T. Kulp, John L., Jr. Kunin, Jay S. Lapatovich, Walter P. Laskey, Kenneth J. Ledsham, William H. Lee, Sylvester Leverette, Steven J. Linebarger, Marcia Littman, Michael G. Lynn, Charles W. Maby, Edward W. Marsicano, Dennis V. Martin, Fran.ois Martin, Robert N. Mascaro, Juan Montress, Gary K. Moroney, Paul Myung, Nam-Soo Nash, David G. Njoku, Eni G. Nowak, Edward D. 350 Okrent, Howard F. Orenstein, Joseph W. O'Shaughnessy, Douglas D. Ostler, Nicholas D. Paik, Woo Hyun Parr, Robert J. Pasquarelli, Louis R. Peterson, Scott K. Pettyjohn, Ronald L. Phillips, William D. Portnoff, Michael R. Price, Robert H. Quatieri, Thomas F. Rabinowitz, William Ratzel, John N. Reinhart, Tanya Rice, John E. Richards, Burton Rivas, Alberto M. Roquette, Robert E. Rubenstein, Kenneth Sag, Ivan A. Schneps, Matthew H. Serri, John A. Short, William R. Silver, Bruce R. Singer, Elliot Singhal, Vijay K. Sperry, Steven V. Stanley, Brian R. Staron, Raymond J. Stone, David S. Succi, George P. Tekula, Miloslav Tetreault, David J. Theilhaber, Kim Thomas, Clarence E. Throop, Alan L. PERSONNEL Research Assistants (continued) Vlannes, Nickolas P. Walker, Robert C. Wicke, Roger W. Wildman, David W. Woisetschlaeger, Erich F. Wu, Frederick Y-F. Yee, James R. Zimmerman, Myron L. Zue, Victor W. Teaching Assistants Beaman, Peter D. Buckley, Robert R. Ching, Dennis Doughty, Gregory M. Dyckman, Howard L. Fish, Richard D. Goldwasser, Samuel M. Harris, David B. Hayes, Monson H. Herman, Philip W., Jr. Herring, James S. Kash, Kathleen Kline, Richard B. Kuo, Sze-Ping Laning, David B. Lee, Donald L. Lee, Ping Lesh, Michael D. Lim, Jae S. Long, Jeffry R. Marzetta, Thomas L. McManamy, Thomas J. Putnam, Roger S. Ross, Warren S. Ruiz, Antonio Schluter, Paul S. Simmons, Earl L. Stern, Richard M., Jr. Strangio, Christopher E. Other Graduate Students Ahmad, Riad N. (1) An, Nguyen H. Ansourian, Manoug M. (2) Aravamudan, Krishna (3) Baan, William A. (4) Baden-Kristensen, Keld (5) Bahler, Lawrence G. (6) Balsamo, Salvatore R. (7) Baltin, Mark Beguesse, Ian M. Bell, Sarah J. (8) Berzins, Valdis Bhanu, Bir (9) Bishop, Robert P. (10) Blumenthal, Steven (10) Boucher, Ronald E. (6) Branscomb, Harvie H. Breuer, Charles T. (11) Brewer, Warren K. (12) Burmawi, M. Yousoof (13) Burr, Charles R. (10) (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) Bush, Marcia A. Carrier, Jill L. (10) Chao, Yao-Ming (14) Chernick, Paul L. Clark, Cheryl (15) Conrad, Chester H. Cox, Charles H. (16) Davis, James L. (10) Djermakoye, Boucar Dolinar, Samuel J. , Jr. Duncan, David B. (10) Ferreira, Antonio (17) Fisher, Jay L. Freeman, Dennis M. (6) Gallemore, James B. (18) Ganong, William F., III (6) Garel, Keith C., Jr. (19) Gellineau, Antonio C. (20) George, Leland M. (10) Goldstein, Ursula G. (10) Golestaani, Seyyed J. (21) Jordanian Government Fellow Hertz Foundation Fellow Dupont Memorial Fellow NASA International Fellow Copenhagen University Senior Stipend NSF Fellow U.S. Air Force Collemore Roger Fellow National Scholarship India NIH Trainee NSF Trainee ERDA Fellow 351 (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) Graham, Michael R. Gray, Harrold W. (22) Grimes, Donald L. Hackel, Richard P. Hagelstein, Peter L. (2) Hicks, Bruce L. Holford, Stephen K. Holton, Thomas (10) Howard, Iris A. Howland, Bradford (10) Hsu, Su Ling Israeli, Eli Jeanne, LaVerne M. (22) Kaplan, David L. (12) Kaplan, Martin C. Karakawa, Masayuri Keshner, Marvin S. (10) Khan, Malik (23) Knecht, Laura E. (10) Kopec, Gary E. (2) Kullberg, Craig M. Saudi Arabian Mission Fellow Republic of China Government Fellow National Fellowship Fund RLE Industrial Fellow Brazilian Government Fellow U.S. Navy Jamaica Scholarship Bell Telephone Laboratories Fellow Iranian Government Fellow Ford Foundation Fellow Pakistani Government Fellow PERSONNEL Other Graduate Students (continued) Lasche, George P. Laurenson, Robert C. Leslie, David I. (1) LeSourd, Philip S. (2) Levinstone, Donald S. (2) Linden, Lynette L. (2) Lipchak, Wesley Lippman, Richard P. (2) Lynch, Thomas J. (2) Machado Mata, Jesus A. Malone, Ulick O. (3) Marroquin, Jos6 L. (4) Mason, Andrew H. May, Robert C. (2) McKinstry, Mark L. (5) Miller, John L. (6) Mook, Douglas R. (2) Newman, Eric (2) O'Callaghan, Michael G. Odette, Louis L. Olesik, Joseph T. (6) Ordubadi, Afarin Overskei, David O. (7) Owens, D. Kingston (7) Palevsky, Alan Paul, Douglas B. (6) Perlmutter, Yvonne M. Picheny, Michael A. (8) Platero, Paul R. (9) Potok, Robert E. Ramon y Alarcon, Felipe D. (4) Rhyne, Theodore L. Riordan, William J. Rosen, Stuart M. (6) Rotenberg, Joel (6) Saidel, William M. (2) Saleh, Naser S. (10) Schechter, Bruce M. Schoendorfer, Donald W. (11) Sclove, Richard E. Seeley, James R. (12) Shalloway, Mark A. (6) Shao, Michael (13) Sheppe, Richard W., Jr. Sianez-Gutierrez, Jorge (4) Sjoblom, Todd Smith, Charles E. (2) Solbrig, Marylou V. (2) Sparks, George W., Jr. (14) Steingart, Robert J. (2) Stephens, Peter W. (15) Stiefel, Michael D. Swartz, Kenneth P. Tebyani, Mahmoud (16) Theriault, Kenneth B. (6) Thiersch, Craig L. (17) Tole, John R. (2) Tom, Victor (7) Toman, Jindrich Tribolet, Jos6 M. (18) Tucker, Ben M. Tung, Leslie (2) Vanterpol, Ernesto (19) Wall, Joseph E., Jr. (6) Walters, Joseph B., Jr. Wang, Bingseng (20) Wang, Yi-Ming Wiegner, Allen W. (2) Wolfe, Stephen M. Wong, Tonny Y. (21) Zack, Gregory W. (2) Zacharias, Greg L. (2) Zuniga, Michael A. (22) Undergraduate Students Abels, Alicia M. Ackerman, William L. Allen, Barry R. Altman, Stuart H. Anderson, John R. Arapostathis, Aristotle Babiak, John Bacon, David P. Baker, Clark M. Battye, William Bauer, Steven M. Belli, Douglas A. Birrell, Steven E. Blake, Stephen H. Blatt, Stephen R. Blau, Robert S. Blau, Stephen S. Bogatin, Eric Boghosian, Bruce M. Breen, Barry N. Brown, Melvin Carrick, John C. Chang, Albert M-F. Chau, Cheuk L. Cheng, David Y. D. Chew, Weng-Cho Kennedy Foundation Fellow NIH Trainee ITT Fellow Mexican Government Fellow (4) (5) ERDA Fellow NSF Fellow (6) RLE Industrial Fellow (7) Kodak Fellow (8) Ford Foundation Fellow (9) (10) Jordanian Government Fellow (11) NIGMS Fellow (1) (2) (3) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) 352 Clements, Mark A. Colliton, Terrance C. Crawford, Thomas R. Cunningham, Peter M. Dai, Cheng-Ti DeWitt, Gregory S. Dillon, Robert F. Doerre, George W. Eyler, Edward E. Fenwick, John W. Ferguson, Edwin L. Fiedler, Ralph L. Fine, John S. U.S. Navy Sloan Fellow U.S. Air Force M. I. T. Karl T. Compton Fellow Iranian Government Fellow Danforth Foundation Fellow Inst. Alta Cultura (Portugal) Fellow Black-American Fund Research Foundation Sao Paolo Raytheon Fellow IBM Fellow PERSONNEL Undergraduate Students (continued) Frueh, Jonathan T. Garner, Geoffrey M. Geary, James L., Jr. Gennert, Michael A. Gipe, Michael A. Glaser, Charles L. Goldstein, Stephan C. Gonzalez, Edwin Gonzalez, Manuel T. Green, Jonathan B. Greenfield, Perry E. Hakimi, Farhad Han, Ho Nam Hanschen, Thomas P. Hardis, Jonathan E. Healy, Diana L. Hildum, Edward A. Hinshelwood, David Hoffmann, Ron M. Houpis, Harry L. F. Ito, Takayoshi Jacobs, Rodney A. Johnson, Jon W. Jones, Frederick A. Jung, Charles F. Kaplan, Jonathan Kaufman, Karen S. Kaufman, Nathan E. Kendall, Elizabeth A. Kim, Sei Hee Kuperstein, Michael Lake, Anthony Lampron, Linda A. Lang, Stephen W. Lettvin, Jonathan D. Leveckis, Algis S. Levine, Zachary H. Liebermann, Jerrold D. Linder, Barry J. Lowenhaupt, Manuel T. Macklem, David M. Maebius, Richard E. Matson, Mark D. Mayer, Rulon McDonough, David F. Meyer, Edwin R. Mitchell, H. Clyde Mojesky, Todd M. Morris, Craig T. Moy, Danny Nawab, Syed H. Nigro, Georgia N. Nilsson, Robert H. Pajer, Gary Parks, Lee Perlstein, Yvonne C. Photopoulos, Constantine Picard, Leonard Rabinovici, Mark S. Razdow, Allen M. Reisberg, Stephen A. Rhymes, Jill A. R. Richard, Stephen M. Rosenschein, Robert S. Ruotolo, Bruce R. Sachs, Josef T. Sanchez, Ricardo L. Sand, Robert J. Schick, Irwin C. Schulz, Peter A. Seidman, Roberta J. Seligson, Daniel A. Shu, Jia H. Shure, Loren Silverston, Cary Smith, Neil Sorensen, John M. Sperber, Berndt R. Sweer, Leon W. Szymkowiak, Andrew E. Terry, Paul W. Tobis, Bruce J. Tyndall, Joseph S. Velasquez, Roberto Villars, Frederick Walton, James J. Wang, James Withrow, FranklinE., III Wolinsky, Murray A. Wong, Ronald H. Wynn, Terry Young, Carl S. Young, David H. Administrative Staff Amdur, Alice S. Bella, Charles J. Duffy, Donald F. Hewitt, John H. Keyes, Richard V., McCarthy, Barbara L. Smith, Paul L. Jr. Support Personnel Aalerud, Robert W. Alpert, Melvin Audette, Alfred G. Barron, Gladys Barrows, Francis W. Bella, Rose Carol Bloomer, Margaret R. Bunick, Frank J. Cabral, Manuel, Jr. Cahill, Joyce H. Carter, Charles E. Carter, James M. Casella, Barbara J. Chartres, J. Margaret Chase, Arbella P. Clarke, Emerson L. Collier, M. Helene Connolly, John T. Cook, John F. Doucette, Wilfred F. Eccles, Miriam R. Edelman, Monica E. Ellis, Holly W. Ferolito, Virginia P. Fitzgerald, Edward W., Jr. Foster, Stella J. Fownes, Marilyn R. Gay, Harry D. 353 Grande, Esther D. Guberman, Joseph Haggerty, Robert H. Hall, Kyra M. Hamilton, William H. Hsia, Doris T-H. Hughes, Martin O. Kaloyanides, Venetia Keefe, John B. Kelley, Frances A. Kelly, Mark A. King, Eugenie M. Kodish, Hedy Kopacz, Linda K. PERSONNEL Support Personnel (continued) Kopf, Cynthia Y. Lauricella, Deborah A. Lauricella, Virginia R. Leach, George H., Jr. Lewis, Ionia D. Liljeholm, Frederick H. Lorden, Gerald J. Lorusso, Catherine Lory, Barbara B. Lyall, Neena MacElree, Ellen W. Mastovsky, Ivan McDowell, Patricia L. Mitchell, Joseph E. Montesano, Eleanor E. Muollo, Ralph E. Muse, William J. Naus, Gregory J. Nelson, Sylvia A. North, Donald K. O'Brien, Neva M. Pastore, Anthony J. Peck, John S. Peters, Nancy M. Rettman, Kenneth F. 354 Rice, Dianne D. Riley, Joseph F. Scalleri, Mary S. Serini, Ann G. Sharib, George Sianez, Yolanda G. Sincuk, Joseph, Jr. Smith, Clare F. Taylor, Martha L. Thibodeau, Donald S. Tortolano, Antonio J. Wilker, Bonnie A.