Rosemary Drysdale, author of bestselling Entrelac and Entrelac 2, has enjoyed a decades-long career as a designer and teacher of knitting and embroidery at both Pratt Institute and the Fashion Institute of Technology (FIT) in New York. She is an editor at Vogue Knitting and Knit Simple magazines as well as a yarn-industry consultant. She teaches knitting courses around the world.