Eventually Hockney invited us to his place in Bridlington, and Tim and Hockney set next to each other at lunch.
Hockney has been famously dismissive of photography and its singular point of view.
Hockney says his love of drawing attracted him to the tablet.
Hockney saw the object that would become the bane of office secretaries everywhere as bringing him closer to his art.
And yet, Hockney is far from being a native son of the Golden Coast; rather, he hails from misty Yorkshire across the Atlantic.
Hockney painted a portrait of Mr Elliott in 2008, sitting on a chair in a blue t-shirt and blue jeans.
David Hockney: The Biography, 1975-2012, picks up after Hockney has already become an established artist.
While there, Hockney became not only enthralled by Chinese drawing materials but also techniques.
For Hockney to have the missing link presented to him there in his atelier was a real thrill for him.
With this, as with all his art, Hockney says he just wants people to actively see the world.