Sam Panopoulos is credited as the inventor of a pizza topped with tomato sauce, cheese, pineapple, and Canadian bacon or ham.
Sotirios "Sam" Panopoulos (Greek:   ; 20 August 1934  8 June 2017) was a Greek-born Canadian cook and businessman, credited as the inventor of Hawaiian pizza. 
Hawaiian pizza (also known as Pizza Hawaii) is a pizza topped with tomato sauce, cheese, pineapple, and Canadian bacon or ham. 
