My favourite piece of his, however, and one I work beneath every day, is his poster for the 1972 Munich Olympics, which depicts a diver, suspended over a wobbling sunlit grid of aquamarine, the moment before he slices through the water.
As a diver, he's logged over 5,000 hours underwater, including 300 hours in this Twilight Zone band.
The back cover was designed by Yokoo to show the city submerged in water, hovered over by a diver and fish, and embedded in coral reefs.
The last thing he remembered was looking over his shoulder as a diver hauled a woman from the water — her cocked head cradled in a wet, rubber arm.
We've spent time together over the years because he is a diver and explorer and in his heart of hearts a biologist.
When they near their quota, a diver, not necessarily the one due to jump, will bound over the guardrail.
He has been for some years, an over-all boss of salvage projects, having worked his way up as a diver tender, diver, derrick captain of various salvage steamers.
A diver died searching the wreckage.
