Thomas Edison had his pencils specially made by Eagle Pencil. Each pencil was three inches long, was thicker than standard pencils and had softer graphite than was normally available.[21]
Vladimir Nabokov rewrote everything he had ever published, usually several times, by pencil.[21]
John Steinbeck was an obsessive pencil user and is said to have used as many as 60 a day. His novel East of Eden took more than 300 pencils to write.[21]
Vincent van Gogh used only Faber pencils as they were “superior to Carpenters pencils, a capital black and most agreeable”.[21][50]
Johnny Carson regularly played with pencils at his Tonight Show desk. These pencils were specially made with erasers at both ends to avoid on-set accidents.[51]
Roald Dahl used only pencils with yellow casing to write his books. He had 6 sharpened pencils ready at the beginning of each day and only when all 6 pencils became unusable did he resharpen them.
wikipedia.org/wiki/Pencil – this is AMAZING!