He is credited , along with his brother , Harry Olivieri , as the 1930 co-creator of the Philly Cheesesteak .
Pat Olivieri ( died 1970 ) was an Italian - American restaurateur .
Pat Olivieri is credited , along with Pat Olivieri 's brother , Harry Olivieri , as the 1930 co-creator of the Philly Cheesesteak .
Pat Olivieri ( died 1970 ) was an Italian - American restaurateur .