Remarks on Colour line that 'There is no such thing as phenomenology, though there are phenomenological problems.' He was content to regard Goethe's observations as a kind of logic or geometry. Wittgenstein took his examples from the Runge letter included in the "Farbenlehre", e.g. "White is the lightest colour", "There cannot be a transparent white", "There cannot be a reddish green", and so on. The logical status of these propositions in Wittgenstein's investigation, including their relation to physics, was discussed in Jonathan Westphal's "Colour: a Philosophical Introduction" (1991). Although "Remarks on Colour" is considered difficult on account of its fragmentation, his last work,
Cotton Candy grapes in test tubes before developing this variety of grape. Development took 12 years. No artificial flavoring is added to give this variety of grapes a flavor similar to cotton candy. Cotton Candy grapes Cotton Candy grapes are a variety of grapes produced in California by Grapery, which became available for consumers to buy in 2011. Grapery was founded by Jack Pandol and is owned by him and Jim Beagle. At International Fruit Genetics, fruit geneticist David Cain developed their patented Cotton Candy grapes and other varieties by using hand-pollination to cross pollinate millions of grapes to develop the desirable varieties.