Australopithecus sediba is not an ancestor of man. The evidence properly interpreted shows that such fossils are either human or ape, not an in-between species.
Darwin was not an objective scientist concerned only with the data. His anti-God bias clearly paved the way for the development of Darwinian evolution.
John G. Elliott is a man dedicated to the Kingdom of God. He uses his gifts of songwriting, music composition, worship leading and teaching for that purpose.