Alfonso Martines Arias is ICREA Research Professor in the department of systems bioengineering of the Universitat Pompeu Fabra in Barcelona. The recipient of numerous awards, he is coauthor of the biology textbook Principles of Development, which was awarded the Royal Society of Biology book prize.
Gareth Armstrong is an experienced actor and voice artist. In addition to performing with the Royal Shakespeare Company, the Globe, in the West End, and major regional theaters in the United Kingdom, he has toured over sixty countries worldwide with his solo performances and drama workshops.