Hatter (Alice's Adventures in Wonderland) door of his shop wearing a top hat. Sir John Tenniel is reported to have come to Oxford especially to sketch him for his illustrations. There is no evidence for this claim, however, in either Carroll's letters or diaries. In the chapter "A Mad Tea Party", the Hatter asks a much-noted riddle "why is a raven like a writing desk?" When Alice gives up trying to figure out why, the Hatter admits "I haven't the slightest idea!". Carroll originally intended the riddle to be without an answer, but after many requests from readers, he and others—including puzzle expert Sam Loyd—suggested
Desk pad Desk pad A desk pad or blotter is a table protector used when work such as painting or writing would otherwise damage the table or desk. Different desk pads have specific uses, for example Chinese calligraphy uses a black velour desk pad since Chinese calligraphy is written using an ink brush. Westerners use simpler writing pads with disposable paper surfaces that can be used for writing, note taking, and scribbling. Often these pads are pre-printed with calendar pages. Typical sizes for desk pads are A3 (420 × 297 mm) and A2 (594 × 420 mm). Desk pads are very popular