Symposium on unidentified flying objects: hearings before the Committee on Science and Astronautics, U.S. House of Representatives, Ninetieth Congress, second session, July 29, 1968.

CONTENTS
STATEMENTS
Page
Dr.
J.
Allen
Hynek,
head,
Department
of
Astronomy,
Northwestern
University,
Evanston,
Ill
3
Prof.
James
E.
McDonald,
Department
of
Meteorology,
University
of
Arizona,
Tucson,
Ariz
18
Dr.
Carl
Sagan,
associate professor
of
astronomy,
Center
for
Radiophysics
and
Space
Research,
Cornell University
86
Dr.
Robert
L.
Hall,
head,
Department
of Sociology, University of
Illinois,
Chicago,
Ill_
100
Dr.
James
A.
Harder,
associate professor
of
civil
engineering,
University
ofCalifornia
113
Dr.
Robert
M.
L.
Baker,
Jr.,
senior
scientist,
System
Sciences
Corp.,
650
C
North
Sepulveda
Boulevard,
El
Segundo,
alif
126
PREPARED
PAPERS
Dr. Donald
H.
Menzel,
Harvard
College
Observatory
198
Dr.
R.
Leo
Sprinkle, Division
of Counseling
and
Testing, University
of
Wyoming
206
Dr.
Garry C. Henderson,
senior
research
scientist,
Space
Sciences,
General
Dynamics
210
Dr.
Stanton
T.
Friedman,
Westinghouse
Astronuclear
Laboratory
213
Dr. Roger
N.
Shepard,
Department
of Psychology, Stanford
University
223
Dr.
Frank B.
Salisbury,
head,
Plant
Science
Department,
Utah
State
University
235