 The high altar of the unfinished cathedral was consecrated on December 21, 1906, in a private ceremony, and the first Pontifical High Mass at the new cathedral took place on December 25, 1906.Indianapolis architect August Bohlen, grandson of D. A. Bohlen, supervised construction of the permanent façade in 1936.It was designed by Layton (Dick) DeMilt of the Bohlen architectural firm.