person-to-person through messengers and ambassadors. During the renaissance, the printing press as invented in 1440 which sped up the progress of communication because leaflets could be printed and sent across Europe.
how was communication crucial after new medical discoveries were made?
after Fleming discovered penicillin, it was only with the US government funding that that drug could reach the wider public. This also required communication with the wider population to ensure they understood what the drug was and its benefits.
