With the iPhone, he had to scrunch down his graphics down to fit into a tiny window.

FORBES: Developer: It's Easier Building Apps For The iPad Than The iPhone

His most recent trip was on the Endeavour orbiter in 2010, when he helped fit the huge cupola bay window to the underside of the space station.

BBC: 'UK spaceman' Nicholas Patrick honoured

The window cling itself was designed to be the largest size that fit in a standard mailing envelope so as to avoid excess postage charges.

FORBES: What Is The Back Story Behind The "People Love Us On Yelp" Window Sticker Marketing Campaign?