The doctrine of the Trinity hinges on the Holy Spirit being a separate person from the Father and the Son.  Without this determination, there is no Trinity.  What does Scripture have to say about the matter?  Has belief in the personhood of the Spirit always been a foregone conclusion? What does the historical record reveal?  You may be surprised at what you're about to read.Survey SaysIn 2014, Lifeway Ministries and Ligonier Ministries surveyed evangelical Christians in America.  While the vast majority of the respondents (96%)…