In 1893, Dr. Adler became librarian at the Smithsonian Institution, where he was a friend of Dr. Samuel Pierpoint Langley, a pioneer in aviation, Langley's recognition after his death for work that had been largely overshadowed by the successes of the Wright brothers was mainly due to Dr. Adler, He returned to Philadelphia in 1907 to be first President of the Dropsie College for Hebrew research. In the same year, he founded, with Mr. Louis Marshall, the American Jewish Committee. After the war, he went with Mr. Marshall to the Paris peace conference to plead for Jewish minority rights and privileges in the new countries that emerged at Versailles, He was ce-Chairman of the Jewish Agency for Palestine, and a governor of the Hebrew University in Jerusalem.
In 1930, Dr. Adler formulated for a League of Nations Commission a plan for settling the Jewish-Arab dispute over the Wailing Wall Palestine. His suggestions formed the basis of the solution finally adopted, whereby the Jews were allowed free access to the Wall for prayer and religious services. In recognition of his work for the Jewish people in America and Europe he was presented in 1932 with a "memorial of friendship and esteem" signed by 250 of the leading Jews of America.
Text read from the printed page and cleaned; old type leaves the occasional error.