Walter Diemer accountant by trade, Diemer liked to experiment with gum recipes in his spare time. In doing so, he accidentally stumbled upon a unique recipe. The gum was pink because it was the only food coloring in the factory, which is the reason most bubble gum today is pink. Compared to standard chewing gum, the gum was less sticky, would not stick to the face, and yet stretched more easily. Diemer saw the possibilities, and using a salt water taffy wrapping machine, wrapped one hundred pieces of his creation to test market in a local mom-and-pop candy store. Priced at one
In the Land of Grey and Pink just the archetypal Caravan piece but a symbol of a whole movement." Marco Rossi, writing in "Record Collector" said "Canterbury Scene initiates are strongly advised to start here." In the "Q" and" Mojo" Classic Special Edition "Pink Floyd & The Story of Prog Rock", the album came No. 19 in its list of "40 Cosmic Rock Albums". "Mojo" also said "In the Land of Grey and Pink" was "the quintessential Canterbury album". The band look favourably on the album. Hastings later said the group "began to peak in many ways" and praised in particular David Sinclair's playing and Hitchcock's production