De Chardin produced a theory of evolution based on the growth of mind through expanding consciousness towards an ever-receding omega point.
Duns Scotus proposed an alternative answer to the question: Why did God become Man in Christ? He also championed the doctrine of the Immaculate Conception.
Early Christians differed in their attitude to same sex unions, but there was some acceptance and this was reflected in official same sex union ceremonies.
The Old Catholics established their church to challenge papal authoritarianism, particularly the doctrine of papal infallibility.
The theology of the angelic hierarchy developed in the sixth century and was the result of Jewish and Neoplatonic influences on Christianity.