Sissel Tolaas is a Norwegian artist and researcher known for her work in the field of scent and smell. She explores the complexities of olfactory experiences and how they influence human perception and emotions. Tolaas has created various projects that engage the senses, often using scents to provoke thought and discussion. Her work includes collaborations with scientists and institutions, such as the Harvard University and the University of the Arts London. Tolaas has also developed a unique collection of smells, which she uses to challenge conventional ideas about art and communication.