Nick Brandt's first book, On This Earth (Chronicle Books), is one of the most popular photography books of this decade. Born in England, Brandt has had multiple solo exhibitions of his work across Europe and North America. Peter Singer is the author of the influential Animal Liberation (1975). Singer is the Ira W. DeCamp Professor of Bioethics at Princeton University. An Australian, he ran unsuccessfully as a Green candidate for the Australian senate in 1996. He was included in Time Magazine's list of the world's most influential people in 2005.