Robert Longo, Untitled (Big Shark). 2007.Charcoal on mounted paper. 731/8 x 70 inches/185.7 x 177.8cm. via http://http//www.robertlongo.com/portfolios/1014 Robert Longo is an American hyperrealist painter and sculptor best known for Men in the Cities, a series of charcoal and graphite drawings that showed monochromatic figures in various states of disarray. He recently published a book of work called Stand with Hatje Cantz Verlag, Germany.