Born: August 13, 1851, Alzey, Hessen-Darmstadt, Germany.
Died: April 24, 1933, New York City.
Buried: Mount Pleasant Cemetery, Hawthorne, New York.
Adler was the son of rabbi Samuel Adler and Henrietta Frankfurter, and husband of Helen Goldmark.
Her emigrated to America in 1857, and graduated from Columbia College in 1870.
He founded the New York Society for Ethical Culture, the Ethical Culture movement, and the New York Ethical Culture schools.
He was also a professor of Hebrew and Oriental literature at Cornell University, Ithaca, New York (1874–76); professor of Social and Political Ethics at Columbia University (1902–33); and gave the Hibbert Lectures at Oxford University in 1923.