1946 - 1956:
The Beginnings
1956:
Founding of the Kalksburg sanatorium
1963 - 1968:
Extension of the Kalksburg sanatorium during the tenure of Hans Hoff
1969 - 1974
The Kalksburg sanatorium under the tenure of Cornelius Kryspin-Exner
1975:
The Kalksburg sanatorium becomes the Anton Proksch Institute
1976 - 2004:
The Anton Proksch Institute under the tenure of Rudolf Mader
2004 until today:
The Anton Proksch Institute under the tenure of Michael Musalek