As part of its Picturing The Fantastical series, Norman Rockwell Museum will present an evening lecture with illustrator Peter de Sève on Saturday, May 12, from 5 to 7 p.m. An artist celebrated for his work for The New Yorker, picture books, and character designs for such animated films as Finding Nemo, Robots, and the Ice Age series, Peter de Sève has been inspired by masters of fantasy illustration throughout his career.