Rob and Stuart Olver were born in Durban, South Africa and migrated to Australia in 1983. Their parents introduced them as young children to the mountains in South Africa, fostering an interest in animals, wilderness and bushwalking. They have been regular visitors to the Stirling and Porongurup ranges since their first family trip there, in 1985. Rob is a landscape and art photographer and author, while Stuart is an immunology researcher and fiction and non-fiction writer.