Jonathan Weiner
Jonathan Weiner is both the author and the narrator of the book. He writes down the observation of evolutionary changes that are happening to finches on Daphne Major Island in the Galapagos. Jonathan’s style of writing is brisk and energetic, with literary elements that add to the text emotional message.
Charles Darwin
Darwin’s theory of evolution and his major papers on the topic, combined with Weiner’s observations and the Grants’ work, are the main data the book is based on. Charles Darwin is portrayed as a genius.
Peter and Rosemary Grant
Peter and Rosemary Grant are evolutionary biologists. They have conducted a number of researches of Darwin’s finches to show the process of evolution within a life of a bird. They are a married couple, and all their lives have been devoted to biology and the subject of evolution.
