Lloyd George Sealy was the NYPD's first African American officer to graduate from the F.B.I. National Academy and the first African American officer in the NYPD to make rank as the commander of a police station in 1963 serving the 28th precinct in Harlem, and as Assistant Chief Inspector and Borough Commander serving the Patrol Borough of Brooklyn North in 1966. After Sealy's retirement from the NYPD in 1969, he became the first African American Associate Professor of Law and Police Science at John Jay College of Criminal Justice. Sealy is also a founding member of NOBLE a national organization of African American police officers from various American cities. He passed away in 1985 at the age of 68. The Library at John Jay College of Criminal Justice is named in his honor.