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Torrey Botanical Club (President 1942) ; 
Adelphi College (Trustee, 1932-1940) ; 
Brooklyn Civic Council ; 
Century Association ; 
Committee of One Hundred for the Completion of the Brooklyn 
Central Library ; 
National Institute of Social Sciences (Vice President, 1928- 
1931; President, 1932-1935, and Vice President, 1935-) ; 
New York City Committee for Public Education ; 
Twentieth Century Club (President 1933-1935) ; 
Rembrandt Club. 
Dr. Gager served on many botanical and horticultural com- 
mittees, among others, the following: 
American Institute of Park Executives to consider affiliation of 
botanic gardens and arboretumis ; 
Botanical Exhibits for the World’s Fair (A Century of Prog- 
ress), Chicago, 1933; 
Education and public relations of Planning Committee on United 
States Botanic Gardens (Chairman 1934-) ; 
Merchants’ Association of New York City (1922-; Chairman 
1933-) ; 
Sub-committee on Organization of Editors of Committee on Re- 
search Publications, National Research Council (1934) ; 
Plant Quarantines and their Administration ; 
Sub-committee on Scope and Function of Planning Committee 
on United States Botanic Gardens (1934) ; 
Sub-committee on Survey of Committee on [Effects of Radiation 
on Living Organisms, National Research Council (1931- 
So): 
Vice-President of Hortus, Inc., for the New York World’s Fair. 
— 
Dr. Gager served as Vice President and Chairman of Section G, 
American Association for the Advancement of Science, in 1917; 
as President of the Botanical Society of America in 1936; as Vice 
President of the Torrey Botanical Club in 1917-1931, and Presi- 
dent in 1942. He was made an honorary member of the Royal 
Agricultural and Horticultural Society, India, the School Garden 
