Born in Philadelphia, Pennsylvania, Luongo attended Germantown High School and received a Bachelor of Science degree from the University of Pennsylvania in 1941.

He served as a Technical Sergeant in the United States Army during World War II, from 1942 to 1946.

Luongo became an Assistant United States Attorney of the Eastern District of Pennsylvania from 1952 to 1953, then entered private practice at the firm of Blank Rome Comisky & McCauley in Philadelphia until 1961.

[1] On September 14, 1961, Luongo was nominated by President John F. Kennedy to a new seat on the United States District Court for the Eastern District of Pennsylvania created by 75 Stat.

[1][2] One of Luongo's more noteworthy cases was in 1979, when he ruled during the gas crisis that gas station owners could not show favoritism toward regular customers.