Born in Baltimore, Maryland, Watkins received an Bachelor of Arts from Johns Hopkins University in 1922, a Doctor of Philosophy from Johns Hopkins University in 1925, and an Bachelor of Laws from the University of Maryland School of Law in 1925.
He was a Lecturer, Johns Hopkins University from 1923 to 1965. He was a Lecturer, University of Maryland School of Law from 1925 to 1968. Watkins was a federal judge on the United States District Court for the District of Maryland.
Formally nominated on January 12, 1956.
He was confirmed by the United States Senate on March 1, 1956, and received his commission on March 2, 1956. He served as chief judge from 1970-1970.
He assumed senior status on August 11, 1971. Watkins served in that capacity until his death, in Catonsville, Maryland.
