Dr. Blair had pioneered and served for 50 years as senior pastor of Calvary Temple in Denver, Colorado before retiring from the position. 

From its small beginnings, Calvary Temple grew to be one of the ten largest Sunday Schools in America. 

Dr. Blair has ministered in over 100 countries throughout the world and serves on several international missions boards and as an active member of the Pre-Tribe Rapture Study Group, a group of esteemed bible scholars devoted to instructing, encouraging and equipping the Endtime Body of Christ.  

He is the best selling author of several books - required reading at several leading Christian colleges and seminaries.