JOHN M. FOWLER, assistant professor of physics, Washing-
ton University.

LESTER MACHTA, chief, Special Projects Section, United
States Weather Bureau.

ROBERT J. LIST, meteorologist, United States Weather
Bureau.

W. O. CASTER, assistant professor of physiological chemistry,
University of Minnesota Medical School.

WALTER R. GUILD, assistant professor of biophysics, Yale
University.

JAMES F. CROW, professor of genetics, University of Wis-
consin School of Medicine; president, Genetics Society of
America.

GOULD A. ANDREWS, associate chairman of the Medical
Division, Oak Ridge Institute of Nuclear Studies.

JACK SCHUBERT, senior chemist, Argonne National Lab-
oratory.

CHET HOLIFIELD, Representative in the United States Con-
gress from California; chairman, Subcommittee on Military
Operations and Special Subcommittee on Radiation.

ARTHUR H. ROSENFELD, assistant professor of physics, de-
partment of physics and the Radiation Laboratory, University
of California.

RALPH E. LAPP, physicist and author, former assistant di-
rector of Argonne National Laboratory, executive director of
Atomic Energy for Research and Development Board, and head
of Nuclear Physics Branch of Office of Naval Research.

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