That’s actually quite tough to pinpoint. Computer scientist Alan Kay first came up with a concept (and then a prototype) for what he called a ‘Dynabook’ in 1968. Depending on which version you look at, the Dynabook concept can be viewed as a prototype tablet PC (as well as a direct ancestor of the laptop).
In science fiction, tablet-like devices can be seen in ‘2001: A Space Odyssey’ as well as ‘Star Trek: The Next Generation’. While in comics, Jack Kirby’s ‘Motherboxes’ (as featured in the 1970’s ‘New Gods’ series) can be considered to be ‘super-tablets’ by any other name. So the idea for the tablet was firmly entrenched in fiction and popular culture long before the iPad was even a glint in Steve Jobs’ eye. Continue reading