Andry Petignat is an amateur plant enthusiast with a particular interest in succulents, including baobabs. He has authored Guide des plantes succulentes du sud-ouest de Madagascar, published in 2009, and is responsible for the famous Arboretum d'Antsokay in Toliara, Madagascar. Louise Jasper is a British photographer of nature, an artist and designer with a special interest in the diversity of flora and fauna in Madagascar. She has lived in Toliara since 2006 and has travelled widely in the country in search of baobabs. She has also contributed to a range of publications on the wildlife of southwestern Madagascar.