HAMILTON, ALLEN T....
HAMILTON, MARGARET E.
HARLOW, JAMES G......
HARTMANN, G. K...
Hawkins, George E..
HAYNES, EUPHEMIA L...
HERBERT, AGNES..
HERNICK, MICHAEL E...
HILDEBRANDT, E. H. C..
HILL, JULIAN W.....
HOGAN, RALPH M......
JOHNSON, DONOVAN A...
JOHNSON, KEITH C.....
JOHNSON, PHILIP G.......
JONES, BERNADINE M...
KINNEY, DOUGLAS M...
KIZER, FRANKLIN D.......
KLEIN, T. S......
KLINGE, PAUL..
KOZAK, ANDREW V.....
KRAEGEL, LOWELL G...
KRAUS, JOSEPH H.....
LANKFORD, F. G...
LAPE, RICHARD H.
LAZAR, NATHAN..
LENTZ, DONALD W.
LEFLER, R. W...
LEVIN, M. JASTROW.
LLOYD, DANIEL B.
LUTZ, MARY E.
LYNAM, LELA A.............
LYONS, Louise...........
MCPHERSON, A. T.
MALLINSON, George G.
Washington, D. C......
Frostburg, Md..
Norman, Okla.
White Oak, Md.
La Grange, Ill.
Washington, D. C....
Baltimore, Md..
Washington, D. C.....
Evanston, Ill...
Wilmington, Del....
Washington, D. C......
Minneapolis, Minn.
Washington, D. C......
Washington, D. C..
Silver Spring, Md.
Washington, D. C..
Norfolk, Va.....
Washington, D. C.....
Indianapolis, Ind..
Athens, W. Va...
Washington, D. C......
Washington, D. C...........
Charlottesville, Va..
Snyder, N. Y....
Columbus, Ohio.
Parma, Ohio..
LaFayette, Ind.
Baltimore, Md..
Washington, D. C. . . .
New Brunswick, N. J...
National Association of Bi-
ology Teachers.
Baltimore County Board of
Education.
Office of Education.
State Teachers College.
University of Oklahoma.
Naval Ordnance Laboratory.
Cooperative Committee.
Miner Teachers College.
National Council of Teachers
of Mathematics.
Oxon Hill High School.
The Mathematics Teacher.
E. I. du Pont de Nemours and
Company.
Navy Department.
National Council of Teachers
of Mathematics.
D. C. Public Schools.
Office of Education.
Montgomery County Schools.
American Geological Institute.
Norfolk County Public Schools
Suitland High School.
Howe High School.
Concord State College, State
Board of Education.
National Science Foundation.
National Science Fair.
University of Virginia.
Amherst Central High School.
Ohio State University.
Cooperative Committee.
Purdue University.
Ford Foundation Fellowship.
Wilson Teachers College.
New Jersey Science Teachers
Association.
Wilmington, Del....... Secondary Schools of Wilming
Steubenville, Ohio...........
Washington, D. C.........
Kalamazoo, Mich.
National Bureau of Standards.
Far Rockaway High School.
Michigan State College.
City of Newton and Science
Teachers of N. E.
Ford Foundation Fellowship. U. S. Air Force.
General Motors.
Baltimore City Department of
Education.
Science Clubs of America.
Office of Education.
University of Illinois.
Atomic Energy Commission. International Association of Machinists.
Cooperative Committee.
D. C. Public Schools.
D. C. Council Engineering
Societies.
Office of Naval Research.
Allentown School District.
Ford Foundation Fellowship.
Westfield Junior High School.
Wilson Teachers College.
Department of the Army.
State Department of Educa-
tion.
New Jersey Teachers College. Association of American Railroads.
Central High School.
Baltimore Polytechnic Insti
Cooperative Committee.
American Chemical Society.
Westinghouse Electric Co.
Department of the Navy.
Wilton Schools.
High School of Science.
Department of Education.
State Education Department,
American Association for
Gifted Children.
Goucher College.
Maryland State Teachers
Technical High School.
University of Tennessee. John Marshall High School. Cooperative Committee. Ford Foundation Fellowship.
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