Analysis of information sources in references of the Wikipedia article "History of the hamburger" in English language version.
The Big Mac became the chain burger by which all subsequent ones have been measured. But Mr. Delligatti, who spent some years in Southern California, acknowledged a debt to Bob Wian, who operated a Glendale, California, hamburger stand and crafted a similar double-decker burger in the late 1930s that became the signature item of Bob's Big Boy restaurants.
'This wasn't like discovering the lightbulb,' Mr. Delligatti later told the Los Angeles Times. 'The bulb was already there. All I did was screw it in the socket.'
The Big Mac became the chain burger by which all subsequent ones have been measured. But Mr. Delligatti, who spent some years in Southern California, acknowledged a debt to Bob Wian, who operated a Glendale, California, hamburger stand and crafted a similar double-decker burger in the late 1930s that became the signature item of Bob's Big Boy restaurants.
'This wasn't like discovering the lightbulb,' Mr. Delligatti later told the Los Angeles Times. 'The bulb was already there. All I did was screw it in the socket.'
