534 
NATIONAL RESEARCH COUNCIL 
The Chairman reported the resignation of Mr. Tod Ford as Assistant 
Secretary of the Council, due to his acceptance as a member of the Lafayette 
Squadron in France. Mr. Dunn reported the election of Mr. Walter M. Gil- 
bert as Assistant Secretary of the Engineering Foundation and that the Car- 
negie Institution of Washington had courteously detailed him for such work. 
Mr. Gilbert was thereupon elected as Assistant Secretary of the National 
Research Council. 
Upon motion it was voted, subject to change, that subsequent meetings 
of the Executive Committee be held weekly on Thursday at 9 a.m. 
The twenty-first meeting of the Executive Committee was held at the 
offices of the Council in Washington, May 28, 1917. In the absence of the 
Chairman of the Executive Committee, the meeting was called to order by 
the Chairman of the Council. Messrs. Hale, Millikan, Stratton, Vaughan, 
Walcott, and Welch were present. Mr. Manning, Chairman of the Noxious 
Gas Committee, and Messrs. Mendenhall and Durand were also present 
upon invitation. 
Mr. Manning read a report of the Noxious Gas Committee, making recom- 
mendations for the establishment of a laboratory for the study of problems 
related to this subject. 
Dr. Millikan presented a report of the Optical Glass Committee, stating 
that recommendations had been made to the General Munitions Board, had 
received its approval, and in turn had been recommended to the Council of 
National Defense. 
Upon motion of Dr. Walcott the action of the Optical Glass Committee 
was approved and confirmed. 
The Chairman of the Council stated that a French Scientific Mission 
would soon reach the United States and a discussion followed regarding its 
reception and means for its entertainment. 
The twenty-second meeting of the Executive Committee was held at the 
offices of the Council in Washington, May 31, 1917. In the absence of the 
Chairman of the Committee, the meeting was called to order by the Vice-Chair- 
man (Dr. Millikan) of the Council. Messrs. Bogert, Chittenden, Millikan, 
Pearl, Pupm, Walcott, and Welch were present. Messrs. Durand and Men- 
denhall were also present by invitation. Dr. Hale entered the meeting before 
its close. 
The Vice-Chairman (Dr. Millikan) of the Council reported: 
That a sum of $5000 has been donated by Mr. Cleveland H. Dodge for the general pur- 
poses of the Council, and that an additional sum of $100 has been receive^ from another 
source; and that these funds have been placed in the hands of the Treasurer of the National 
Academy of Sciences for the use of the Council. 
That the President of the National Academy of Sciences has appointed the following 
additional members of the Council; 
