1. Social anthropologist and ethnobotanist who lectures in environmental anthropology at University College London (UCL). Lewis is currently working on a series of articles on human‐plant engagements in Makushi culture and cosmology. He is co‐editor of the online magazine TEA: The Ethnobotanical Assembly.
2. Ethnobotanist, medical anthropologist and film‐maker based at the Museu Paraense Emílio Goeldi (MPEG) in Belém, Brazil. He is engaged in fieldwork among the Matsigenka people of southern Peru, studying traditional medicine, health status, ethnobiology and community‐based resource management. He is currently working on a monograph entitled ‘Sorcery and the senses'. He blogs at Notes from the Ethnoground (ethnoground.blogspot.com).