Sissel Tolaas is a Norwegian artist, chemist and scientist who lives in Berlin. Her work focuses on understanding the power of sense of smell. She pushes olfactive boundaries with her approach to identifying and creating smells and presenting them in unconventional ways. Since 1990 she has concentrated on the language and communication of smell, focusing particularly on the concept of capturing the essence of a city or a place. She maintains a "smell archive" of more than 7000 airtight jars. Her work has been displayed around the world.