Figueiredo is an Honorary Professor in the Department of Botany at the Nelson Mandela Metropolitan University in Port Elizabeth and research associate at the University of Coimbra in Portugal. She has a keen interest in the African flora, the succulent flora of the world and sustainable gardening
Smith is an Honorary Professors in the Department of Botany at the Nelson Mandela Metropolitan University in Port Elizabeth and research associate at the University of Coimbra in Portugal. He is one of the most productive authors on Old and New World succulents
Neil R Crouch heads up the Ethnobotany Unit of SANBI in Durban, where he is also an Honorary Professor in the School of Chemistry at the University of KwaZulu-Natal. His research interests focus primarily on medicinal plants and their potential in drug development. He has published scientific and popular papers, and authored or co-authored a range of books, including Ferns of Southern Africa.
