Nancy Mellon has guided storytelling and writing groups for many years. A former Waldorf teacher, she has given storytelling and art therapeutic courses at many locations in the US and UK. Her books include Storytelling and The Art of Imagination. She practices therapy through the arts and is a member of the visiting staff at Emerson College in the UK.

Ruth Lieberherr has exhibited her paintings at M.I.T., Princeton University, and Northeastern University, as well as museums and galleries in the United States, France, and her native Switzerland. Her works are found in many private collections. She has also illustrated and written The Caterpillar and the Butterfly (Saentis Verlag, Switzerland).