2 adjectives to describe evolutionist

If he had lived to-day he would certainly have been an advanced evolutionist; even then his liberality in matters of doctrine and his unbounded charity towards all differences of opinion in religious questions used to cause my mother great anxiety as to his orthodoxy.

Perhaps Professor Boyd-Dawkins, who credits the "dryopithecus" with these productions, is a more consistent evolutionist; but at present Mr. Laing is defending a thesis as to man's antiquity.

2 adjectives to describe  evolutionist