I always imagined the appellation "Phillips-head," as in the screw and driver, was a corruption from Philips, the Dutch conglomerate
. I was wrong. Henry F. Phillips
, from right here (well, *there* <points left>...) in Oregon, U.S.A., is largely responsible for your always having the wrong screwdriver at hand.
Note also that the Phillips-head screw was actually designed so your driver head slips out when the screw is hung up, apparently to prevent damage to automated screw driving equipment. Clearly, this man had an all-inclusive deal with Satan.