Does anyone know what brand and model is the bicycle in photo?
It's a 1961 Hawthorne Twin Bean Tank Bike sold by Montgomery Ward.

1961 Montgomery Ward Christmas Book page 180
Here's one in the wild

ratrodbikes.com
The model was sold in 1960 and 1961. The 1960 version has slightly different graphics.

The Hawthorne bikes were made by CWC (Cleveland Welding Company) the maker of the Roadmaster bicycles) since 1934, and were distributed by Montgomery Ward across the country.
american-vintage-bicycles.com