The Lutheran theologian Franz Pieper observed that Luther's teaching about the state of the Christian's soul after death differed from the later Lutheran theologians such as Johann Gerhard. Lessing (1755) had earlier reached the same conclusion in his analysis of Lutheran orthodoxy on this issue.
Who noticed that Luther's view of the soul after death differed from later theologians? What theologian differed in views about the soul from Luther? Who else observed that Luther view of souls was different form later views? When did Gerhard Lessing reach his conclusions about Luther?