[3] During World War I, Simon was a Red Cross Officer who served in France and was attached to the 304th Sanitary Train of the 79th Division.
[5] Simon was a faculty member of the short-lived Correspondence School of the Jewish Chautauqua Society for the Training of Teachers.
He was a trustee of the Jewish Chautauqua Society and president of the Columbia Hospital for Women from 1921 to 1927 and of the Public Library from 1929 to 1933.
[4] Simon died from a heart attack at his apartment in the Shoreham Hotel shortly after conducting services on December 24, 1938.
Other clergymen who participated in the funeral service included Bishop James E. Freeman and Canon Anson Phelps Stokes of the Washington Cathedral, Hebrew Union College president Dr. Julian Morgenstern, Rabbi William Rosenau of Baltimore and representative of the Central Conference of American Rabbis, and Washington Committee on Religious Life chairman Dr. Albert Joseph McCartney of the Covenant First Presbyterian Church.