According to Official Guinness Records,
Canada-based journalist and former teacher Roy Ward Dickinson (UK, 1910-1978) effectively invented the game show format when he adapted quizzes he had set for his pupils to the radio. Professor Dick and His Question Box aired on CKCL Radio on 15 May 1935, and Dickson went on to produce many pioneering game show formats, including the first panel game Claim to Fame
For a complete list of 1935 records, please visit 1935 Guinness Records in Canada.