You may know his name from the fonts Zapfino and Zapf Dingbats, a pre-emoji set of symbols, but he also created Palatino and Optima, plus fonts you may never have heard of like Melior and Marconi ...

NERC is not alone in making rules on font use. The US National Institutes of Health demands Arial, Helvetica, Palatino Linotype, or Georgia typefaces, in black and at 11 points or above in size.