For a time after their marriage in 1912, Nathan was a professor of Law at the University of Cincinnati, before serving as Captain of Military Intelligence in the Army during WWI. After the war, the couple moved around for a time, but remained in close contact with their families, and their mothers wrote often. Nathan was an Ezra Ripley Thayer Teaching Fellow at Harvard University from 1919 to 1920. Then, from 1920-1923 he taught Law at the University of Pittsburgh, returning to Harvard University in 1923 as a lecturer for a year and then was a Professor Of Business Law starting in 1924.
Ella became an active member of the Jewish community in Boston and Cambridge after their move there. She was a Life Member of the Builders of Congregation Young Israel of Brookline, Beth Israel Hospital Women’s Auxiliary, Daughters of Israel, and the Ladies’ Auxiliary of the Maimonides Educational Institute.
In 1920, the couple had their first and only child, a daughter named Carol.
Nathan and Ella remained happily married until Nathan’s death in 1941. Ella never remarried.