Arthur T. Vanderbilt was born in Newark, New Jersey, in 1888. He was educated at Newark Public High School and graduated from Wesleyan University in 1910. While at Wesleyan he was a student leader and a member Delta Kappa Epsilon. He then attended Columbia Law School, earning an LL.B. in 1913. Vanderbilt practiced law privately from 1913 to 1947, largely representing fire insurance companies, corporations, and banks. During this period, Vanderbilt also taught law at New York University as full-time faculty, later becoming Dean of the Law School from 1943 to 1948. He also served on the Wesleyan University Board of Trustees from 1934 to 1957, and acted as President of the Board from 1946 to 1947. A leader throughout his life, he also served with the American Bar Association, and was preeminent in the movement to reform the administration of justice and chaired an advisory committee to create a uniform code of military justice. Vanderbilt became a New Jersey Circuit Court judge in November 1947, and was confirmed as Chief Justice of the New Jersey Supreme Court in December 1947. He served in this capacity until his death in 1957.