Mabel Walker Willebrandt
Mabel Walker Willebrandt (May 23, 1889 – April 6, 1963), popularly known to her contemporaries as the First Lady of Law, was an American lawyer who served as the United States Assistant Attorney General from 1921 to 1929, handling cases concerning violations of the Volstead Act, federal taxation, and the Bureau of Federal Prisons during the Prohibition era. For enforcing the Eighteenth Amendment, the prohibition against the manufacture and sale of alcoholic beverages, she also earned herself a nickname “Prohibition Portia”.