To date many theories about the evolution of mankind exist. There are religious theories and scientific theories. The two most logical theories of the evolution of mankind are by Richard Leakey and Donald Johanson. Even though Donald Johanson’s theory is fairly convincing, Richard Leakey’s theory has more of a detailed separation of the different stages of mankind before Homo-Habilis.
Even though the two theories are not alike the two scientists do agree on some parts of the evolution. They both agree that Aust