‘So, it was in the thirties that numerous commodities, appliances and devices taken for granted today were discovered: antibiotics,sulphonamides, radar, turbo-jets, synthetic rubber, mineral oils, radiotelephony, and artifi cial intelligence… but only the outbreak ofthe Second World War gave rise to their development and industrial use.The pages that follow offer an account of 50 discoveries chosen at will among many others, that, in giving the reader a wider understanding of technological advances, sheds new light on the scale of Operation Overlord. Thus, visitors to the LandingBeaches can appreciate how humanity as a whole has profi ted from all the inventions collated during the Battle of Normandy.'