From 1950 to 1953 , he taught law at Emory University before joining the faculty of New York University in 1953 .
From 1947 to 1950 , McKay was a lawyer for the United States Department of Justice .
From 1950 to 1953 , McKay taught law at Emory University before joining the faculty of New York University in 1953 .
From 1947 to 1950 , McKay was a lawyer for the United States Department of Justice .