 However, the exact circumstances of the invention are still the subject of debate.A rumour in a contemporary travel book called "Tour to London" by Pierre Jean Grosley (although not confirmed) formed the popular myth that bread and meat sustained Lord Sandwich at the gambling table.An alternative suggestion by Sandwich's biographer, N. A. M. Rodger, is that due to Sandwich's commitments to the navy, to politics and the arts, the first sandwich is more likely to have been consumed at his desk, a practice perpetuated in offices ever since.